treatise

[tree-tis]

noun

1. a formal and systematic exposition in writing of the principles of a subject, generally longer and more detailed than an essay.

treatise

/ ˈtriːtɪz /

noun

1. a formal work on a subject, esp one that deals systematically with its principles and conclusions

2. an obsolete word for narrative

Word History and Origins

Origin of treatise¹

1300–50; Middle English tretis < Anglo-French tretiz, akin to Old French traitier to treat

Word History and Origins

Origin of treatise¹

C14: from Anglo-French tretiz , from Old French tretier to _treat

Example Sentences

A treatise on the left-wing leanings of NPR, written by a longtime editor at the radio service, generated massive attention and likely helped set the stage for eliminating federal funding to public media.

From Los Angeles Times

Evans told reporters he would not describe the notebook found in the car as a "manifesto" as it was not "a treatise on all kinds of ideology and writings".

From BBC

If you need a house shoe to work with these PJs, please consult my earlier treatise on slippers.

From Los Angeles Times

Eastman’s criticism of birthright citizenship unfurled mostly through legal treatises and in conservative publications until 2020, when an article he wrote for Newsweek made him the public face of the issue.

From Los Angeles Times

Rather than mentioning those supposed practical considerations, treatises from the early Christian centuries draw from biblical inferences, contemporary understanding of time and calendrical math to argue for its case.

From Salon

Related Words

• commentary 
• discourse 
• dissertation 
• essay 
• memoir 
• monograph 
• pamphlet 
• thesis