plural on thesis

Plural of Thesis

What is the plural of thesis.

The Quick Answer

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Are You Good at Plurals?

The standard rules for forming the plurals, why is there confusion over the plural of thesis.

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Definition of thesis

Did you know.

In high school, college, or graduate school, students often have to write a thesis on a topic in their major field of study. In many fields, a final thesis is the biggest challenge involved in getting a master's degree, and the same is true for students studying for a Ph.D. (a Ph.D. thesis is often called a dissertation ). But a thesis may also be an idea; so in the course of the paper the student may put forth several theses (notice the plural form) and attempt to prove them.

Examples of thesis in a Sentence

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'thesis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

in sense 3, Middle English, lowering of the voice, from Late Latin & Greek; Late Latin, from Greek, downbeat, more important part of a foot, literally, act of laying down; in other senses, Latin, from Greek, literally, act of laying down, from tithenai to put, lay down — more at do

14th century, in the meaning defined at sense 3a(1)

Dictionary Entries Near thesis

the sins of the fathers are visited upon the children

thesis novel

Cite this Entry

“Thesis.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/thesis. Accessed 12 Sep. 2024.

Kids Definition

Kids definition of thesis, more from merriam-webster on thesis.

Nglish: Translation of thesis for Spanish Speakers

Britannica English: Translation of thesis for Arabic Speakers

Britannica.com: Encyclopedia article about thesis

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Grammarflex

What’s the Plural of Thesis? (Thesises? Theses?)

• November 13, 2022

What’s the plural of “thesis”?

Thesis , (and its plural theses ) is an example of one of the many common English words that has roots elsewhere. In this case, thesis is a word that has roots all the way back to Ancient Greek. Like other similarly structured words: diagnosis , synthesis , analysis , oasis , crisis , nemesis and the like, thesis is by no means the only frequently used Greek word that’s made it to Modern English.

What’s the singular of thesis?

Thesis is a singular noun and refers to one thing (or one thesis ).

What’s a thesis?

Merriam-Webster defines the noun thesis (plural theses ) as follows, “a dissertation embodying results of original research and especially substantiating a specific view especially : one written by a candidate for an academic degree.”

Nouns that end in -sis/ses

Thesis is an irregular plural noun that does not end in the typical -s / -es that regular plural noun forms take. This is so despite that theses plural does in fact end in the conventional -s/-es suffix. Why is it still considered irregular; then, given that it follows the regular plural form? Notice the following regular plural noun forms:

Thesis / theses operates differently. With these Greek words, the -ses does not simply  add onto the end of the singular form of the noun; instead, -ses replaces the singular noun’s suffixes, and effectively changes the entire spelling of the word (and arguably the word itself.)

Examples of “thesis” (singular) in sentences

His master thesis was on modal neural networks.

She wrote her thesis on Renaissance Nativity scenes.

We disagreed with the basic thesis of the report.

I’ve made a first draft of my thesis .

The student’s experiments helped her formulate a thesis to share with her professor and classmates.

Examples of “theses” (plural) in sentences

It must not be assumed that Luther’s ninety-five theses produced any considerable direct results.

The collection of theses are ready for publication.

Twenty years after Savonarola’s death Martin Luther made public his theses against indulgences.

Theses are generally examined by two or more specialists.

Theses is the plural form of the singular noun thesis.

Origin of the word “thesis”

Thesis / theses are of Greek origin.

Read about other irregular nouns

• What’s the plural of bison?
• What’s the plural of moose?
• What’s the plural of sheep?
• What’s the plural of ox?
• What’s the plural of cactus?
• What’s the plural of crisis?
• What’s the plural of hypothesis?

Read about other topics in grammar

• What’re personal pronouns?
• What’s the difference between they’re, their, and there?
• Whose vs who’s?
• Merriam-Webster, thesis/theses.

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Plural of Thesis: A Quick Guide for English Learners

By: Author ESLBUZZ

Posted on Last updated: October 11, 2023

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Do you know the plural of thesis? Understanding the correct plural of thesis is important not only for academic writing, but for general communication as well. Whether you’re discussing multiple research papers or simply trying to sound knowledgeable in a conversation, using the correct plural form can help you make a good impression and avoid any confusion or misunderstandings.

Plural of Thesis

Definition and Plural of Thesis

When writing a research paper or dissertation, the central argument or main point is known as a thesis. A thesis is a statement or proposition that is put forward as a premise to be maintained or proved. It is a crucial element of academic writing and is often required for a degree or certification.

The plural of thesis is “theses.” In English, most nouns form the plural by adding an “s” at the end. However, “thesis” is one of the few exceptions to this rule. The word “thesis” has a Greek root, and “theses” is how it is pluralized in that original language.

It is important to note that “theses” is the only way to make the noun “thesis” plural. There is no alternative form of the plural for this word.

In academic writing, the plural form “theses” is commonly used when referring to multiple research papers or dissertations. For example, “I have read several theses on this topic, and they all have different viewpoints.”

When to Use Thesis and Its Plural Form

When writing academic papers or conducting research, it is important to understand when to use the word “thesis” and its plural form, “theses.” Here are some guidelines to help you use these words correctly:

• Use “thesis” when referring to a single research paper or dissertation that presents a specific argument or viewpoint.
• Use “theses” when referring to multiple research papers or dissertations.
• Remember that “thesis” is a singular noun and “theses” is its plural form.
• Be aware that “thesis” has a Greek root and follows the same pluralization rule as other Greek words ending in “-is,” such as “crisis” and “analysis.” They become “crises” and “analyses,” respectively.
• Keep in mind that “thesis” can also refer to a statement or proposition that is put forward for consideration or discussion. In this case, the plural form would be “theses.”
• When citing multiple theses in a paper, use “theses” to indicate the plurality. For example, “The theses presented in this paper all support the idea that…”

Examples of Thesis and Its Plural Form in Sentences

If you are wondering how to use the word “thesis” in a sentence, here are a few examples:

• Your thesis statement should be clear and concise.
• The professor asked us to submit our theses by the end of the semester.
• The thesis of the article is that climate change is caused by human activity.
• She spent months researching and writing her thesis on the history of feminism .
• The committee was impressed by the depth and originality of his thesis.

As you can see, “thesis” is used to refer to a statement or argument put forth by a writer or speaker, as well as a research paper written by a student to earn a degree.

Now, let’s take a look at the plural form of “thesis.” According to Grammar Monster, the only correct way to form the plural of “thesis” is “theses.” Here are some examples of how to use “theses” in a sentence:

• The library has a collection of theses written by graduate students.
• The professor asked us to read several theses on the topic before starting our own research.
• The theses presented at the conference covered a wide range of topics.
• The committee was impressed by the quality and originality of the theses submitted.

Plural Noun Rules for Regular Nouns

When forming the plural of regular nouns, there are some standard rules to follow. These rules apply to most English nouns, including “thesis.” Here are the basic guidelines:

• For most singular nouns, simply add an “-s” to the end to form the plural. For example, “book” becomes “books,” “car” becomes “cars,” and “house” becomes “houses.”
• If the singular noun ends in “-s,” “-x,” “-z,” “-ch,” or “-sh,” add “-es” to form the plural. For example, “bus” becomes “buses,” “box” becomes “boxes,” “buzz” becomes “buzzes,” “church” becomes “churches,” and “dish” becomes “dishes.”
• If the singular noun ends in a consonant followed by “-y,” change the “-y” to “-ies” to form the plural. For example, “city” becomes “cities,” “baby” becomes “babies,” and “story” becomes “stories.”
• If the singular noun ends in a vowel followed by “-y,” simply add an “-s” to form the plural. For example, “boy” becomes “boys,” “key” becomes “keys,” and “day” becomes “days.”

It’s important to note that there are some irregular nouns that don’t follow these rules. For example, “child” becomes “children,” “foot” becomes “feet,” and “tooth” becomes “teeth.” However, “thesis” is a regular noun, so it follows the standard rules for forming the plural.

Plural Noun Rules for Irregular Nouns

When it comes to forming the plural of nouns in English, there are some general rules that apply to most words. However, there are also many irregular nouns that don’t follow these rules and have unique plural forms. In this section, we’ll go over some common irregular plural nouns and the rules for forming their plurals.

List of Common Irregular Plural Nouns

Here are some examples of irregular plural nouns that you may come across:

Nouns that End in Us

Nouns that end in “us” often have a plural form that ends in “i”. For example:

Nouns that End in Is

Nouns that end in “is” may have a plural form that ends in “es”. For example:

Nouns that End in On

Nouns that end in “on” may have a plural form that ends in “a”. For example:

Plurals That Are the Same as Singulars

Some nouns have the same form for both the singular and plural. For example:

Words That Look Like Plural Nouns but Are Singular Nouns

Some words may look like plural nouns but are actually singular nouns. For example:

Collective Nouns and List

When it comes to forming the plural of nouns, collective nouns can be a bit tricky. A collective noun refers to a group of people or things as a single entity. For example, “team” is a collective noun because it refers to a group of individuals working together towards a common goal.

The challenge with collective nouns is deciding whether to treat them as singular or plural. In American English, collective nouns are usually treated as singular, while in British English, they can be treated as either singular or plural depending on the context.

Here are some examples of collective nouns and how they can be treated in different contexts:

As you can see, the choice of whether to use a singular or plural verb depends on whether you are referring to the group as a single entity or as individuals within the group.

When it comes to forming the plural of collective nouns, the same rules apply as for regular nouns. For example, the plural of “team” is “teams”, and the plural of “family” is “families”.

Plural Nouns vs. Possessive Nouns

When it comes to forming the plural of nouns, there are standard rules that apply to most words in the English language. However, there are some exceptions, such as the word “thesis.” The plural of “thesis” is “theses,” and this is the only correct way to form the plural of this word.

On the other hand, when it comes to forming possessive nouns, there are a few rules to keep in mind. Here are some key points to remember:

• For singular nouns, add an apostrophe and an “s” to show possession. For example, “the thesis’s conclusion” means the conclusion belonging to the thesis.
• For plural nouns that end in “s,” add only an apostrophe to show possession. For example, “the theses’ conclusions” means the conclusions belonging to the theses.
• For plural nouns that do not end in “s,” add an apostrophe and an “s” to show possession. For example, “women’s rights” means the rights belonging to women.

It’s important to note that possessive nouns should not be confused with plural nouns. While they may look similar, they serve different grammatical functions. Possessive nouns show ownership or possession, while plural nouns simply refer to more than one of something.

Common Mistakes with Plural Nouns

When it comes to forming the plural of nouns, there are some common mistakes that are made. Here are a few things to keep in mind when forming the plural of the word “thesis” and other nouns:

Adding an Apostrophe

One common mistake is adding an apostrophe to a noun to make it plural. For example, “the thesis’s” instead of “the theses.” This is incorrect and should be avoided.

Irregular Plurals

Some nouns have irregular plurals that do not follow the standard rules. For example, “child” becomes “children” and “goose” becomes “geese.” It is important to learn these irregular plurals to avoid mistakes.

Confusion over Plurals

Some nouns, like “thesis,” can cause confusion over their plural form. “Theses” is the only correct way to make “thesis” plural. Other words that end in “-is” may also have irregular plurals, such as “crisis” becoming “crises.”

Using Incorrect Count Nouns

It is important to use the correct count nouns when referring to multiple instances of something. For example, “studies” instead of “researches,” and “pieces of evidence” instead of “evidences.” Using the incorrect count noun can make your writing sound awkward or confusing.

Frequently Asked Questions

What is the correct plural form of ‘thesis’?

The correct plural form of ‘thesis’ is ‘theses.’ It is an irregular plural noun that does not follow the typical -s/-es suffix used for regular plural nouns.

How is ‘thesis’ used in a sentence?

‘Thesis’ refers to a statement or theory that is put forward as a premise to be maintained or proved. An example sentence would be: “Her thesis on the effects of climate change was well-researched and presented.”

What is the origin of the word ‘thesis’?

The word ‘thesis’ comes from the Greek word ‘tithenai,’ which means ‘to place’ or ‘to put.’ In academia, it refers to a statement or theory that is put forward as a premise to be maintained or proved.

What is the difference between ‘thesis’ and ‘theses’?

‘Thesis’ is the singular form of the word, while ‘theses’ is the plural form. ‘Thesis’ refers to a single statement or theory, while ‘theses’ refers to multiple statements or theories.

The plural of thesis is the word 'theses'.

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To pluralize 'thesis', you simply add 'es' to the end of the word. This is because 'thesis' ends in 'is', which is a singular noun ending.

"}},{"@type":"Question","name":"Is the plural of thesis 'theses'?","acceptedAnswer":{"@type":"Answer","text":"

Yes, the plural of thesis is 'theses'.

"}},{"@type":"Question","name":"What is the irregular plural form of thesis?","acceptedAnswer":{"@type":"Answer","text":"

'Theses' is not an irregular plural form of thesis. It is a regular plural form.

"}},{"@type":"Question","name":"What are some examples of irregular plural nouns?","acceptedAnswer":{"@type":"Answer","text":"

Some examples of irregular plural nouns include 'child' (children), 'tooth' (teeth), and 'foot' (feet).

"}},{"@type":"Question","name":"How do you correctly pluralize nouns ending in -is?","acceptedAnswer":{"@type":"Answer","text":"

To correctly pluralize nouns ending in -is, you simply change the 'is' to 'es'. For example, the plural of 'thesis' is 'theses', and the plural of 'analysis' is 'analyses'.

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• 1.1 Etymology
• 1.2 Pronunciation
• 1.3.1 Derived terms
• 1.3.2 Related terms
• 1.3.3 Translations
• 1.4 References
• 1.5 Further reading
• 1.6 Anagrams
• 2.1 Etymology
• 2.2 Pronunciation
• 3.1 Etymology
• 3.2 Pronunciation
• 3.3.1 Declension
• 3.3.2 Descendants
• 3.4 References

From Late Middle English thesis ( “ lowering of the voice ” ) [ 1 ] and also borrowed directly from its etymon Latin thesis ( “ proposition, thesis; lowering of the voice ” ) , from Ancient Greek θέσῐς ( thésis , “ arrangement, placement, setting; conclusion, position, thesis; lowering of the voice ” ) , from τῐ́θημῐ ( títhēmi , “ to place, put, set; to put down in writing; to consider as, regard ” ) [ 2 ] [ 3 ] (ultimately from Proto-Indo-European *dʰeh₁- ( “ to do; to place, put ” ) ) + -σῐς ( -sis , suffix forming abstract nouns or nouns of action, process, or result ) . The English word is a doublet of deed .

Sense 1.1 (“proposition or statement supported by arguments”) is adopted from antithesis . [ 2 ] Sense 1.4 (“initial stage of reasoning”) was first used by the German philosopher Johann Gottlieb Fichte (1762–1814), and later applied to the dialectical method of his countryman, the philosopher Georg Wilhelm Friedrich Hegel (1770–1831).

The plural form theses is borrowed from Latin thesēs , from Ancient Greek θέσεις ( théseis ) .

Pronunciation

• ( Received Pronunciation ) IPA ( key ) : /ˈθiːsɪs/ , ( archaic ) /ˈθɛsɪs/

• ( General American ) IPA ( key ) : /ˈθisɪs/
• Rhymes: -iːsɪs
• Hyphenation: the‧sis
• ( Received Pronunciation ) IPA ( key ) : /ˈθiːsiːz/
• ( General American ) IPA ( key ) : /ˈθisiz/
• Rhymes: -iːsiːz
• Hyphenation: the‧ses

thesis ( plural theses )

• ( rhetoric ) A proposition or statement supported by arguments .
• 1766 , [ Oliver Goldsmith ], “The Conclusion”, in The Vicar of Wakefield:   [ … ] , volume II, Salisbury, Wiltshire: [ … ] B. Collins, for F [ rancis ] Newbery ,   [ … ] , →OCLC , pages 218–219 : I told them of the grave, becoming, and ſublime deportment they ſhould aſſume upon this myſtical occaſion, and read them two homilies and a theſis of my own compoſing, in order to prepare them.
• ( mathematics , computer science ) A conjecture , especially one too vague to be formally stated or verified but useful as a working convention.
• ( logic ) An affirmation , or distinction from a supposition or hypothesis .
• ( philosophy ) In the dialectical method of Georg Wilhelm Friedrich Hegel : the initial stage of reasoning where a formal statement of a point is developed ; this is followed by antithesis and synthesis .
• ( music , prosody , originally ) The action of lowering the hand or bringing down the foot when indicating a rhythm ; hence, an accented part of a measure of music or verse indicated by this action; an ictus , a stress . Antonym: arsis
• ( music , prosody , with a reversal of meaning ) A depression of the voice when pronouncing a syllables of a word ; hence, the unstressed part of the metrical foot of a verse upon which such a depression falls , or an unaccented musical note .

Derived terms

• all but thesis
• bachelor's thesis
• Church-Turing thesis
• conflict thesis
• doctoral thesis
• graduate thesis
• Habakkuk thesis
• master's thesis
• Merton thesis
• private language thesis
• thesis defense
• thesis statement

Related terms

Translations.

• ^ “ thē̆sis, n. ”, in MED Online , Ann Arbor, Mich.: University of Michigan , 2007 .
• ^ “ thesis, n. ”, in Lexico , Dictionary.com ; Oxford University Press , 2019–2022 .

Further reading

• “ thesis ”, in The Century Dictionary   [ … ] , New York, N.Y.: The Century Co. , 1911 , →OCLC .
• “ thesis ”, in Webster’s Revised Unabridged Dictionary , Springfield, Mass.: G. & C. Merriam , 1913 , →OCLC .
• Heists , Sethis , heists , shiest , shites , sithes , thises

From Latin thesis , from Ancient Greek θέσις ( thésis , “ a proposition, a statement, a thing laid down, thesis in rhetoric, thesis in prosody ” ) .

thesis   f ( plural theses or thesissen , diminutive thesisje   n )

• Dated form of these . Synonyms: dissertatie , proefschrift , scriptie

From Ancient Greek θέσις ( thésis , “ a proposition, a statement, a thing laid down, thesis in rhetoric, thesis in prosody ” ) .

• ( Classical Latin ) IPA ( key ) : /ˈtʰe.sis/ , [ˈt̪ʰɛs̠ɪs̠]
• ( modern Italianate Ecclesiastical ) IPA ( key ) : /ˈte.sis/ , [ˈt̪ɛːs̬is]

thesis   f ( genitive thesis ) ; third declension

Descendants

• → Dutch: thesis
• → Armenian: թեզ ( tʻez )
• → Dutch: these
• → Persian: تز ( tez )
• → Romanian: teză
• → Turkish: tez
• Galician: tese
• Italian: tesi
• English: thesis
• Portuguese: tese
• Spanish: tesis
• “ thesis ”, in Charlton T. Lewis and Charles Short ( 1879 ) A Latin Dictionary , Oxford: Clarendon Press
• thesis in Gaffiot, Félix ( 1934 ) Dictionnaire illustré latin-français , Hachette.

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Whats the Plural of Thesis: Understanding Singular and Plural Forms

• The plural of “thesis” adheres to the Greek-rooted pattern, changing the singular -is to a plural -es.
• Accurate use of “thesis” and “theses” reflects scholarly precision in both written and oral communication.
• Awareness of correct pluralization extends to other similar nouns ending in -sis, emphasizing the importance of understanding language origins.

It is crucial to use the word correctly in both singular and plural contexts to maintain the integrity of written and spoken communication. In the realm of academics, precision in language reflects the rigor of one’s research and argumentation. As such, understanding the transformation from “thesis” to its plural counterpart is more than a trivial detail; it reflects a deeper appreciation for the structure and history of the English language.

Table of Contents

What’s the Plural of Thesis?

The proper plural of thesis is “theses.” This transformation is part of a broader pattern in the English language where certain nouns change their ending to reflect a plural state.

Below, a comparison is made to illustrate the standard singular to plural transformation for nouns ending in -is:

Key Points about the pluralization of “thesis”:

• The plural follows a specific rule of changing the ‘-is’ ending to ‘-es’.
• This pattern is consistent with other Greek-derived words.
• The pronunciation changes with the plural form, ending in “-eez.”

To clarify usage, consider these examples:

• Singular: The student’s thesis was commended for its clarity.
• Plural: The professor read all the submitted theses before the conference.

Singular Form of Thesis

The singular form of ‘thesis’ is of notable interest due to its origins and distinct pluralization.

Origination and Definition:

• Etymology : Derived from the ancient Greek word τίθημι (tithēmi), which means “to put” or “to place.”
• Meaning : It is a statement or theory put forward to be maintained or proved.

Usage in Academia:

• A significant piece of writing prepared by a student to obtain a university degree or diploma.
• Often involves original research and substantiates a particular view or argument.

Table 1: Notable Features of ‘Thesis’

Table 2: Contextual Examples

Definition of Thesis

A thesis is a substantial piece of scholarly writing that is typically required to obtain a master’s or doctoral degree. It represents the author’s research and findings in their chosen field of study. A thesis serves as evidence that the student has acquired the knowledge necessary to be considered a scholar in the field. Here, two key aspects of a thesis will be described through tables:

Purpose and Composition of a Thesis:

Characteristics of a Thesis:

• Focused : It should have a clear, concise premise or central argument.
• Researched : Employs rigorous methodologies to gather and analyze data.
• Structured : Contains defined sections that present information logically.
• Cited : Includes proper citations of sources that support or contrast the thesis.
• Reviewed : Undergoes scrutiny by academic peers or supervisors.

Other Irregular Plural Nouns Ending in -sis/ses

Below you will find two tables categorized by common and less common irregular plurals that follow this pattern.

Common Irregular Plurals:

This pattern is often observed with words that have Greek origins.

Less Common Irregular Plurals:

It is important to recognize these forms to maintain grammatical accuracy in writing and speech. Below is a list of examples used in sentences:

• When multiple scientific hypotheses are tested, the results can lead to important discoveries.
• During the editing process, Jane had to review all the parentheses to ensure clarity in her writing.
• Geographers study multiple oases in the desert to understand these unique ecosystems.
• His thesis on renewable energy was well-received, and many theses on the subject reference his work.

Examples of Thesis (Singular) in Sentences

Here are examples that demonstrate its usage in various sentences.

In Academic Context

In Everyday Discourse

Informal setting : During the debate, his thesis was that space exploration is no longer just a dream but a necessity.

• Discussing beliefs : Her thesis is that all public spaces should offer free Wi-Fi.
• Opinion : They argued the thesis that high taxes discourage spending.

Examples of Theses (Plural) in Sentences

Here are some examples of how “theses” can be used in sentences:

Education Setting : Graduate students often struggle to find unique topics for their theses as most ideas have been extensively explored.

• Evaluating the structure and arguments of different theses can help one build a stronger dissertation.

Origin of the Word Thesis

The term thesis originates from the ancient Greek word θέσις (thésis), which means “a proposition” . Historically, this term has played a crucial role in both rhetorical and academic contexts. It denotes a statement that a writer intends to support and prove. In academic circles, thesis often refers to a document that presents the author’s research and findings and is submitted in support of candidature for a degree or professional qualification.

Etymological Background

The journey of the word from its Greek roots to the modern English language reflects the changing dynamics of educational and scholarly practices over the centuries.

As a carryover from Greek to Latin, the word made its way into English, maintaining its original Greek plural form:

Usage in Academia

In academia, the word has been used since the late Middle Ages to denote a scholarly work written by students aiming to obtain a university degree. Over time, the use of thesis expanded from merely referring to a proposition to a lengthy document providing evidence of comprehensive research.

Historical Evolution:

• Middle Ages : Referred to propositions for a degree.
• Renaissance : Emphasized individual research.
• Modern Usage : Extensive research documents for higher education degrees.

Areas of Impact:

• Rhetoric : Considered as a premise to be argued.
• Academic Research : Reflects comprehensive study in a field.

My name is Khamis Maiouf. I am the creator of the English Teacher Site, dedicated to providing valuable resources and insights for students around the world. With a passion for education and a commitment to helping students enhance their skills, I aim to make English teaching more effective and enjoyable for both educators and students.

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[ thee -sis ]

He vigorously defended his thesis on the causes of war.

Synonyms: proposal , contention , theory

• a subject for a composition or essay.
• a dissertation on a particular subject in which one has done original research, as one presented by a candidate for a diploma or degree.
• Music. the downward stroke in conducting; downbeat. Compare arsis ( def 1 ) .
• a part of a metrical foot that does not bear the ictus or stress.
• (less commonly) the part of a metrical foot that bears the ictus. Compare arsis ( def 2 ) .
• Philosophy. Hegelian dialectic

/ ˈθiːsɪs /

• a dissertation resulting from original research, esp when submitted by a candidate for a degree or diploma
• a doctrine maintained or promoted in argument
• a subject for a discussion or essay
• an unproved statement, esp one put forward as a premise in an argument
• music the downbeat of a bar, as indicated in conducting
• (in classical prosody) the syllable or part of a metrical foot not receiving the ictus Compare arsis
• philosophy the first stage in the Hegelian dialectic, that is challenged by the antithesis
• The central idea in a piece of writing, sometimes contained in a topic sentence .

Word History and Origins

Origin of thesis 1

Example Sentences

“The Saudis have been proving the thesis of the film — they do in fact have an army,” said Thor Halvorssen, founder and chief executive of the nonprofit Human Rights Foundation, which funded the movie.

It’s a hypothesis that Bush pursued in her master’s thesis, and last year she began attending virtual Goth parties in a final round of field work before defending her doctoral thesis later this year.

While this partnership was planned prior to the coronavirus outbreak, co-founder Jordana Kier said the pandemic instantly proved out the expansion thesis.

They’ve had to defend that thesis for a very, very long time in front of a variety of different customers and different people.

Over the past decade, In-Q-Tel has been one of the most active investors in the commercial space sector, with a broad investment thesis that touches many aspects of the sector.

In “Back Home,” Gil also revisits the nostalgia for the South explored in his Johns Hopkins thesis, “Circle of Stone.”

At least father and son were in alignment on this central thesis: acting “gay”—bad; being thought of as gay—bad.

Her doctoral thesis, says Ramin Takloo at the University of Illinois, was simply outstanding.

Marshall McLuhan long ago argued the now accepted thesis that different mediums have different influences on thinking.

He wrote his Master's thesis on the underrepresentation of young people in Congress.

And indeed for most young men a college thesis is but an exercise for sharpening the wits, rarely dangerous in its later effects.

It will be for the reader to determine whether the main thesis of the book has gained or lost by the new evidence.

But the word thesis, when applied to Systems, does not mean the 'position' of single notes, but of groups of notes.

This conclusion, it need hardly be said, is in entire agreement with the main thesis of the preceding pages.

Sundry outlying Indians, with ammunition to waste, took belly and knee rests and strengthened the thesis to the contrary.

Related Words

• proposition
• supposition

What Is The Plural Of Thesis?

Plural word for  thesis.

The plural form of thesis is theses , pronounced [ thee -seez ]. The plurals of several other singular words that end in -is are also formed in this way, including hypothesis / hypotheses , crisis / crises , and axis / axes . A similar change is made when pluralizing appendix as appendices . 

Irregular plurals that are formed like theses derive directly from their original pluralization in Latin and Greek.

What's the opposite of Meaning of the word Words that rhyme with Sentences with the word Translate to Find Words Use * for blank tiles (max 2) Use * for blank spaces Find the of Pronounce the word in Find Names     Appearance ✓ Use device theme   ✓ Dark theme ✓ Light theme ? ? Here's the word you're looking for. The plural form of thesis is . Use * for blank tiles (max 2) Use * for blank spaces The book is a compilation of doctoral candidates' dissertations and . Many scientists, including people writing doctoral , had access to the bones, and they were laboriously studied. Today, most universities require their students to submit electronic and dissertations for their graduation. Leuthner was fiercely attacked for his at the time by social democratic leader Karl Kautsky. This synthesis is based on public domain data, including published papers, and dissertations. They can continue classes or use the research as their master's and doctoral dissertations. bottom_desktop desktop:[300x250] go Word Tools Finders & Helpers Apps More Synonyms Copyright WordHippo © 2024 Q. Greetings from New Zealand. May I please ask you what is the plural of “thesis” and whether this word is of Latin or Greek origin? Many thanks. A. For this sort of thing, we at the University of Chicago Press must rely on the lexicographers. The plural, according to Merriam-Webster and others, is “theses.” As for origin, according to the Oxford English Dictionary, “thesis” was [o]riginally and properly, according to ancient writers, [t]he setting down of the foot or lowering of the hand in beating time, and hence (as marked by this) the stress or ictus ; the stressed syllable of a foot in a verse; a stressed note in music. Among the ancient writers offered as proof are the authors of Greek fragments studied by Rudolf Westphal in his Die Fragmente und die Lehrsätze der griechischen Rhythmiker from 1861. Later Latin writers inverted this meaning, but the one that has generally survived today is the setting down, not of the foot, but of a proposition. So Greek it is. [This answer relies on the 17th edition of CMOS (2017) unless otherwise noted.] SHOP TALK BLOG! CMOS editors share writing tips, editing ideas, interviews, quizzes, and more! TOME SWEET TOME! 1,192 crisp, new pages bound in orange, wrapped in yellow, and brimming with style ♡ NEW! The CSE Manual, 9th Edition, the Scientific Companion to The Chicago Manual of Style NEW! The Design of Books, An Explainer for Authors, Editors, Agents, and Other Curious Readers, by Debbie Berne NEW! The Chicago Guide for Freelance Editors: How to Take Care of Your Business, Your Clients, and Yourself from Start-Up to Sustainability, by Erin Brenner The Chicago Guide to Copyediting Fiction, by Amy J. Schneider Developmental Editing, 2nd Edition: A Handbook for Freelancers, Authors, and Publishers, by Scott Norton NEW! Indexes: A Chapter from “The Chicago Manual of Style,” 18th Edition NEW! The Craft of Research, 5th Edition: A thoroughly updated edition of a beloved classic The Chicago Guide to Fact-Checking, 2nd Edition Information Now, 2nd Edition A Graphic Guide to Student Research and Web Literacy Shop the CMOS Bookstore! Writing, Editing, and Publishing Books from CHICAGO Britannica Homepage Ask the Editor Word of the Day Core Vocabulary Most Popular Browse the Dictionary My Saved Words thesis (noun) She wrote her thesis on Renaissance Nativity scenes. a master's/doctoral thesis on the effects of global warming New evidence supports his thesis . We disagreed with the basic thesis of the report. The book's central thesis is that propaganda influences the masses in important ways. not protected or covered About Us & Legal Info Partner Program Privacy Notice Terms of Use Pronunciation Symbols Thesis: Definition and Examples in Composition Glossary of Grammatical and Rhetorical Terms An Introduction to Punctuation Ph.D., Rhetoric and English, University of Georgia M.A., Modern English and American Literature, University of Leicester B.A., English, State University of New York A thesis ( THEE-ses ) is the main (or controlling) idea of an essay , report , speech , or research paper , sometimes written as a single declarative sentence known as a thesis statement . A thesis may be implied rather than stated directly. Plural: theses . It's also known as a thesis statement, thesis sentence, controlling idea. In the classical rhetorical exercises known as the  progymnasmata , the  thesis is an exercise that requires a student to argue a case for one side or the other. Etymology From the Greek, "to put" Examples and Observations (Definition #1) "My thesis is simple: in the next century mankind must harness the nuclear genie if our energy needs are to be met and our security preserved." (John B. Ritch, "Nuclear Green," Prospect Magazine , March 1999) "We watch baseball: it's what we have always imagined life should be like. We play softball. It's sloppy--the way life really is." (from the introduction to Watching Baseball, Playing Softball) "Through Mansfield's skillful handling of point of view, characterization, and plot development, Miss Brill comes across as a convincing character who evokes our sympathy." (thesis statement in Miss Brill's Fragile Fantasy ) "Suppose there were no critics to tell us how to react to a picture, a play, or a new composition of music. Suppose we wandered innocent as the dawn into an art exhibition of unsigned paintings. By what standards, by what values would we decide whether they were good or bad, talented or untalented, success or failures? How can we ever know that what we think is right?" (Marya Mannes, "How Do You Know It's Good?") "I think people are disturbed by the discovery that no longer is a small town autonomous--it is a creature of the state and of the Federal Government. We have accepted money for our schools, our libraries, our hospitals, our winter roads. Now we face the inevitable consequence: the benefactor wants to call the turns." (E.B. White, "Letter from the East") "It is possible to stop most drug addiction in the United States within a very short time. Simply make all drugs available and sell them at cost." (Gore Vidal, "Drugs") The Two Parts of an Effective Thesis "An effective thesis is generally composed of two parts: a topic and the writer's attitude or opinion about or reaction to that topic." (William J. Kelly, Strategy and Structure . Allyn and Bacon, 1996) Drafting and Revising a Thesis "It's a good idea to formulate a thesis early in the writing process , perhaps by jotting it on scratch paper, by putting it at the head of a rough outline , or by attempting to write an introductory paragraph that includes the thesis. Your tentative thesis will probably be less graceful than the thesis you include in the final version of your essay. Here, for example, is one student's early effort: Although they both play percussion instruments, drummers and percussionists are very different. The thesis that appeared in the final draft of the student's paper was more polished: Two types of musicians play percussion instruments--drummers and percussionists--and they are as different as Quiet Riot and the New York Philharmonic. Don't worry too soon about the exact wording of your thesis, however, because your main point may change as you refine your ideas." (Diana Hacker, The Bedford Handbook , 6th ed. Bedford/St. Martin's, 2002) A Good Thesis - "A good thesis tells the audience exactly what you want them to know, understand, and remember when your speech is done. Write it as a simple, declarative sentence (or two) that restates the speech purpose and states the main points that support the purpose. Although you may formulate a thesis statement early in the speech development process, you may revise and reword it as you research your topic.' (Sherwyn P. Morreale, Brian H. Spitzberg, and J. Kevin Barge, Human Communication: Motivation, Knowledge, and Skills , 2nd ed. Thomson Higher Education, 2007) - "An effective thesis statement singles out some aspect of a subject for attention and clearly defines your approach to it." (David Blakesley and Jeffrey L. Hoogeveen, Writing: A Manual for the Digital Age . Wadsworth, 2011) Examples and Observations (Definition #2) " Thesis . This advanced exercise [one of the progymnasmata] asks the student to write an answer to a 'general question' ( quaestio infina )--that is, a question not involving individuals. . . . Quintilian . . . notes that a general question can be made into a persuasive subject if names are added (II.4.25). That is, a Thesis would pose a general question such as 'Should a man marry?' or 'Should one fortify a city?' (A Special Question on the other hand would be 'Should Marcus marry Livia?' or 'Should Athens spend money to build a defensive wall?')" (James J. Murphy, A Short History of Writing Instruction: From Ancient Greece to Modern America , 2nd ed. Lawrence Erlbaum, 2001) Proof in Rhetoric Definition and Examples of Progymnasmata in Rhetoric Definition and Examples of Body Paragraphs in Composition Unity in Composition Supporting Detail in Composition and Speech Definition and Examples of Analysis in Composition Understanding General-to-Specific Order in Composition Current-Traditional Rhetoric Outlines for Every Type of Writing Composition Composition Type: Problem-Solution Essays Definition and Examples of Formal Essays Understanding Organization in Composition and Speech Arrangement in Composition and Rhetoric Definition and Examples of Composition-Rhetoric How to Write an Abstract Cambridge Dictionary +Plus Meaning of thesis in English Your browser doesn't support HTML5 audio I wrote my thesis on literacy strategies for boys . Her main thesis is that children need a lot of verbal stimulation . boilerplate composition corresponding author dissertation essay question peer review You can also find related words, phrases, and synonyms in the topics: thesis | Intermediate English Examples of thesis, collocations with thesis. These are words often used in combination with thesis . Click on a collocation to see more examples of it. Translations of thesis Get a quick, free translation! Word of the Day to move something by pulling it along a surface, usually the ground Treasure troves and endless supplies (Words and phrases meaning ‘source’) Learn more with +Plus Recent and Recommended {{#preferredDictionaries}} {{name}} {{/preferredDictionaries}} Definitions Clear explanations of natural written and spoken English English Learner’s Dictionary Essential British English Essential American English Grammar and thesaurus Usage explanations of natural written and spoken English Grammar Thesaurus Pronunciation British and American pronunciations with audio English Pronunciation English–Chinese (Simplified) Chinese (Simplified)–English English–Chinese (Traditional) Chinese (Traditional)–English English–Dutch Dutch–English English–French French–English English–German German–English English–Indonesian Indonesian–English English–Italian Italian–English English–Japanese Japanese–English English–Norwegian Norwegian–English English–Polish Polish–English English–Portuguese Portuguese–English English–Spanish Spanish–English English–Swedish Swedish–English Dictionary +Plus Word Lists English    Noun Intermediate    Noun Collocations Translations All translations To add thesis to a word list please sign up or log in. Add thesis to one of your lists below, or create a new one. {{message}} Something went wrong. There was a problem sending your report. Dictionaries home American English Collocations German-English Grammar home Practical English Usage Learn & Practise Grammar (Beta) Word Lists home My Word Lists Recent additions Resources home Text Checker Definition of thesis noun from the Oxford Advanced American Dictionary Questions about grammar and vocabulary? Find the answers with Practical English Usage online, your indispensable guide to problems in English. formulate/advance a theory/hypothesis build/construct/create/develop a simple/theoretical/mathematical model develop/establish/provide/use a theoretical/conceptual framework/an algorithm advance/argue/develop the thesis that… explore an idea/a concept/a hypothesis make a prediction/an inference base a prediction/your calculations on something investigate/evaluate/accept/challenge/reject a theory/hypothesis/model design an experiment/a questionnaire/a study/a test do research/an experiment/an analysis make observations/calculations take/record measurements carry out/conduct/perform an experiment/a test/a longitudinal study/observations/clinical trials run an experiment/a simulation/clinical trials repeat an experiment/a test/an analysis replicate a study/the results/the findings observe/study/examine/investigate/assess a pattern/a process/a behavior fund/support the research/project/study seek/provide/get/secure funding for research collect/gather/extract data/information yield data/evidence/similar findings/the same results analyze/examine the data/soil samples/a specimen consider/compare/interpret the results/findings fit the data/model confirm/support/verify a prediction/a hypothesis/the results/the findings prove a conjecture/hypothesis/theorem draw/make/reach the same conclusions read/review the records/literature describe/report an experiment/a study present/publish/summarize the results/findings present/publish/read/review/cite a paper in a scientific journal Nearby words 186 IMAGES Plural of Thesis: A Quick Guide for English Learners how to make thesis plural What's the Plural of Thesis? (Thesises? Theses?) plural of Thesis What's the Plural of Thesis? (Thesises? Theses?) What is the plural of thesis? VIDEO Wizard Arcane Theses In A Nutshell || Pathfinder 2E Unit 1- Lesson 7 PLURAL FORM OF NOUNS Formatting Plural Numbers in APA Style Tutorial: How to Write a Thesis Statement The Noun: Number COMMENTS THESES THESES definition: 1. plural of thesis 2. plural of thesis . Learn more. The Plural of Thesis "Theses" is the only way to make the noun "thesis" plural. Confusion arises because some mistakenly believe that all nouns ending in "s" should form a plural that adds "es" to the end of the word. When a noun ends with "is," you need to replace the "is" with an "es" to form the plural. This is because its plural form derives from Greek. What Is the Plural of Thesis Thesis becomes theses in plural form for two reasons: 1) The word thesis has a Greek root, and theses is how it is pluralized in that original language. 2) There are many English words ending with -is that take on -es endings when pluralized: e.g., crisis becomes crises. The pluralization isn't all that unique. Thesis Definition & Meaning The meaning of THESIS is a dissertation embodying results of original research and especially substantiating a specific view; especially : one written by a candidate for an academic degree. ... But a thesis may also be an idea; so in the course of the paper the student may put forth several theses (notice the plural form) and attempt to prove ... What's the Plural of Thesis? (Thesises? Theses?) What's the plural of "thesis"? Thesis, (and its plural theses) is an example of one of the many common English words that has roots elsewhere. In this case, thesis is a word that has roots all the way back to Ancient Greek. Like other similarly structured words: diagnosis, synthesis, analysis, oasis, crisis, nemesis and the like, thesis is by no means the only frequently used Greek word ... THESES THESES meaning: 1. plural of thesis 2. plural of thesis . Learn more. Plural of Thesis: A Quick Guide for English Learners The plural of thesis is "theses.". In English, most nouns form the plural by adding an "s" at the end. However, "thesis" is one of the few exceptions to this rule. The word "thesis" has a Greek root, and "theses" is how it is pluralized in that original language. Singular. thesis thesis (plural theses) (rhetoric) A proposition or statement supported by arguments. (by extension) A lengthy essay written to establish the validity of a thesis (sense 1.1), especially one submitted in order to complete the requirements for a non- doctoral degree in the US and a doctoral degree in the UK; a dissertation. Whats the Plural of Thesis: Understanding Singular and Plural Forms The plural of "thesis" adheres to the Greek-rooted pattern, changing the singular -is to a plural -es. Accurate use of "thesis" and "theses" reflects scholarly precision in both written and oral communication. Awareness of correct pluralization extends to other similar nouns ending in -sis, emphasizing the importance of understanding language origins. thesis noun Collocations Scientific research Scientific research Theory. formulate/ advance a theory/ hypothesis; build/ construct/ create/ develop a simple/ theoretical/ mathematical model; develop/ establish/ provide/ use a theoretical/ conceptual framework; advance/ argue/ develop the thesis that…; explore an idea/ a concept/ a hypothesis; make a prediction/ an inference THESIS Definition & Meaning Thesis definition: a proposition stated or put forward for consideration, especially one to be discussed and proved or to be maintained against objections. See examples of THESIS used in a sentence. What is the plural of thesis The plural form of thesis is theses. Find more words! They can continue classes or use the research as their master's theses and doctoral dissertations. Many scientists, including people writing doctoral theses, had access to the bones, and they were laboriously studied. This synthesis is based on public domain data, including published papers ... FAQ Item The plural, according to Merriam-Webster and others, is "theses." As for origin, according to the Oxford English Dictionary, "thesis" was [o]riginally and properly, according to ancient writers, [t]he setting down of the foot or lowering of the hand in beating time, and hence (as marked by this) the stress or ictus ; the stressed ... THESIS THESIS definition: 1. a long piece of writing on a particular subject, especially one that is done for a higher…. Learn more. THESIS definition in American English thesis in American English. (ˈθisɪs) noun Word forms: plural -ses (-siz) 1. a proposition stated or put forward for consideration, esp. one to be discussed and proved or to be maintained against objections. He vigorously defended his thesis on the causes of war. 2. a subject for a composition or essay. 3. THESIS definition and meaning 7 meanings: 1. a dissertation resulting from original research, esp when submitted by a candidate for a degree or diploma 2. a.... Click for more definitions. Thesis Definition & Meaning thesis / ˈ θiːsəs/ noun. plural theses / ˈθiːˌsiːz/. Britannica Dictionary definition of THESIS. [count] 1. : a long piece of writing on a particular subject that is done to earn a degree at a university. She wrote her thesis on Renaissance Nativity scenes. a master's/doctoral thesis on the effects of global warming. 2. Thesis: Definition and Examples in Composition A thesis (THEE-ses ) is the main (or controlling) idea of an essay, report, speech, or research paper, sometimes written as a single declarative sentence known as a thesis statement. A thesis may be implied rather than stated directly. Plural: theses. It's also known as a thesis statement, thesis sentence, controlling idea. THESIS THESIS meaning: 1. a long piece of writing on a particular subject, especially one that is done for a higher…. Learn more. Dissertation vs. Thesis—What's the Difference? Dissertations and theses (the plural of thesis) are often confused because they're both lengthy research papers written for higher education. In American English, a dissertation is written to earn a doctorate whereas a thesis is written to earn a master's (or sometimes a bachelor's). In many informal situations, however, the terms ... thesis noun 2 a statement or an opinion that is discussed in a logical way and presented with evidence in order to prove that it is true She concluded that there was no archaeological data to support the thesis that the town had been surrounded by a wall. Topic Collocations Scientific Research theory. formulate/advance a theory/hypothesis Thesis The term thesis comes from the Greek word θέσις, meaning "something put forth", and refers to an intellectual proposition. Dissertation comes from the Latin dissertātiō, meaning "discussion". Aristotle was the first philosopher to define the term thesis.. A 'thesis' is a supposition of some eminent philosopher that conflicts with the general opinion...for to take notice when any ... assignment essay homework paper phd report resume speech