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noun Uncommon

treatise

TREE-tihs

Treatise (noun) means a long, formal written work that thoroughly examines a single subject. Example: “He wrote a treatise on the philosophy of law.”

noun
1
A long, formal written work that thoroughly examines a single subject.
"He wrote a treatise on the philosophy of law."

How to use treatise

Learner’s notes

In plain EnglishA treatise is a serious, detailed piece of writing devoted to one topic.

Common pairings
a scholarly treatise write a treatise

Word forms

treatises plural

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He wrote a _____ on the philosophy of law.

Etymology

From Old French traitis, "treatise, account" — related to "treat" and "treaty."

Origin: Old French

Rhymes for treatise

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Frequently asked questions

What does “treatise” mean?

The word “treatise” means a long, formal written work that thoroughly examines a single subject. In plain terms, a treatise is a serious, detailed piece of writing devoted to one topic.

How do you pronounce “treatise”?

“Treatise” is pronounced TREE-tihs (/ˈtɹiːtɪs/ in IPA).

How do you use “treatise” in a sentence?

Here is “treatise” used in a sentence: “He wrote a treatise on the philosophy of law.”

What part of speech is “treatise”?

“Treatise” is a noun.

Where does the word “treatise” come from?

The word “treatise” comes from Old French. From Old French traitis, "treatise, account" — related to "treat" and "treaty.".

Is “treatise” a common word?

“Treatise” is an uncommon word in modern English.

Definitions: FreeDict original editorial