treatise
Treatise (noun) means a long, formal written work that thoroughly examines a single subject. Example: “He wrote a treatise on the philosophy of law.”
How to use treatise
Learner’s notesIn plain EnglishA treatise is a serious, detailed piece of writing devoted to one topic.
Word forms
treatises plural
Fill the gap
Can you complete this real example?
He wrote a _____ on the philosophy of law.
Etymology
From Old French traitis, "treatise, account" — related to "treat" and "treaty."
Rhymes for treatise
See all rhymes for treatise →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.