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noun Uncommon

dissertation

dih-suh-TAY-shuhn

Dissertation (noun) means a long, formal piece of writing on a specific subject, usually required to complete an advanced degree. Example: “She spent three years researching her doctoral dissertation.”

noun
1
A long, formal piece of writing on a specific subject, usually required to complete an advanced degree.
"She spent three years researching her doctoral dissertation."
"His dissertation examined climate policy in coastal cities."

How to use dissertation

Learner’s notes

In plain EnglishA long research paper written to earn an academic degree.

UK vs US

In the US, "dissertation" typically refers to a doctoral (PhD) paper, while "thesis" is used for master's degrees; in the UK the terms are often used more interchangeably.

Easily confused with
Common pairings
write a dissertation doctoral dissertation defend a dissertation

Word forms

dissertations plural

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She spent three years researching her doctoral _____.

Etymology

From Latin dissertatio, from dissertare, "to discuss, debate."

Origin: Latin

thesis treatise monograph research paper

Related words

Rhymes for dissertation

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Frequently asked questions

What does “dissertation” mean?

The word “dissertation” means a long, formal piece of writing on a specific subject, usually required to complete an advanced degree. In plain terms, a long research paper written to earn an academic degree.

How do you pronounce “dissertation”?

“Dissertation” is pronounced dih-suh-TAY-shuhn (/ˌdɪsɚˈteɪʃən/ in IPA).

How do you use “dissertation” in a sentence?

Here is “dissertation” used in a sentence: “She spent three years researching her doctoral dissertation.”

What part of speech is “dissertation”?

“Dissertation” is a noun.

Where does the word “dissertation” come from?

The word “dissertation” comes from Latin. From Latin dissertatio, from dissertare, "to discuss, debate.".

Is “dissertation” a common word?

“Dissertation” is an uncommon word in modern English.

What is the difference between a dissertation and a thesis?

Dissertation and thesis both refer to long, formal pieces of writing on a specific subject required to complete an advanced degree, and usage varies by country. In the United States, dissertation is generally associated with doctoral degrees while thesis is used for master's degrees, but the reverse convention is common elsewhere.

What is the difference between a dissertation and an essay?

A dissertation is a long, formal, in-depth piece of writing usually required to complete an advanced degree, often based on original research. An essay is typically much shorter and can be written for many purposes, not just for completing a degree program.

Is dissertation used in formal or academic contexts only?

Yes, dissertation is a formal, academic term almost exclusively associated with higher education, referring to the substantial written work required for advanced degrees. It is rarely used outside academic or scholarly contexts.

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