treatise

noun

trea·​tise ˈtrē-təs 

 also  -təz

1

: a systematic exposition or argument in writing including a methodical discussion of the facts and principles involved and conclusions reached

a treatise on higher education

2

obsolete : account, tale

Examples of treatise in a Sentence

Recent Examples on the Web

History of Peanut Butter Cookies In his agricultural treatise on peanuts, How To Grow the Peanut: And 105 Ways of Preparing it for Human Consumption, George Washington Carver, with the assistance of Tuskegee students, included three recipes for peanut butter cookies. —Catherine Jessee, Southern Living, 9 Jan. 2025

Ross’ film, like Whitehead’s novel, refuses to serve as a one-note cinematic treatise on Black trauma. —Randy Myers, The Mercury News, 31 Dec. 2024

Judging from contemporary catalogs and advertisements, booksellers saw the text not as a mathematical treatise or schoolbook, but rather a piece of popular literature worthy of mass attention. —James Fox, Smithsonian Magazine, 19 Dec. 2024

Love Streams was possibly Cassavetes’s greatest treatise on his philosophy of love and altogether one of Rowlands’s most complex performances. —Emma Madden, Vulture, 16 Aug. 2024

Word History

Etymology

Middle English tretis, from Anglo-French tretiz, alteration of tretez, traitet, from Medieval Latin tractatus, from Latin tractare to treat, handle

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

treatise

noun

trea·​tise ˈtrēt-əs 

: a book or article examining a subject carefully and completely