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

While this article will not become a treatise on the history of unionized labor, there are interesting points to note. —Karen Weaver, Forbes, 27 Oct. 2024

Wells, a Fabian socialist like George Bernard Shaw, wrote a speculative treatise that predicted the ecology movement, the arms race, socialist pacifism, and WWII. —Armond White, National Review, 9 Oct. 2024

Yet to read his treatise is to feel not FOMO, but alienation. —Charlie Warzel, The Atlantic, 24 July 2024

Taking a leaf from the English philosopher Thomas Hobbes’s famous treatise, the book makes the case for turning the UN into a sort of benign Leviathan. —Roland Rich, Foreign Affairs, 22 Aug. 2023

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