trea·​tise | \ ˈtrē-təs also -təz \

Definition of treatise 

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

In his Almagest treatise, Ptolemy suggested the Earth was fixed, positioned at the very center of closed, spherical space, with nothing beyond it. Jennifer Ouellette, Ars Technica, "Newly discovered letter by Galileo resolves puzzling historical mystery," 22 Sep. 2018 The phenomenon has been documented since classical antiquity (Aristotle himself mentioned the phenomena in his 350 B.C. treatise, On Dreams), with its popularity steadily increasing over time. Aliza Kelly Faragher, Allure, "What Is Lucid Dreaming? Your Guide to Exploring Your Subconscious," 18 Sep. 2018 The Arthashastra, an ancient Indian political treatise that out-Machiavels Machiavelli, contains hundreds of recipes for toxins, as well as advice on when and how to use them to eliminate an enemy. Amanda Foreman, WSJ, "Poison and Politics," 6 Sep. 2018 But the surreal comedy, which stars Donald Glover as Earn Marks, the manager and cousin of a rapper named Paper Boi (Brian Tyree Henry), and Stanfield as their offbeat friend, has become a genre-defying treatise on all aspects of black life. Clover Hope, Glamour, "Lakeith Stanfield Is a New Kind of Leading Man," 11 Sep. 2018 William Godwin’s 1793 treatise, An Enquiry Concerning Political Justice, is hailed as a classic of antistate, proto-anarchist thought. Kim Kelly, Teen Vogue, "Anarchy: What It Is and Why Pop Culture Loves It," 7 Sep. 2018 Lee has something of a philosophical treatise on authenticity. Alan Goldfarb, The Verge, "Artificial whiskey is coming, and one company is betting you’ll drink up," 23 Aug. 2018 The treatise is one of the great meditations on the meaning of life in all its vicissitudes. Amanda Foreman, WSJ, "Literature Behind Bars," 12 July 2018 The document wasn’t so much a tactical or technical treatise as a charter for his program. Joshua Robinson, WSJ, "Uruguay: Soccer’s Dead Poets Society," 29 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'treatise.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of treatise

14th century, in the meaning defined at sense 1

History and Etymology for treatise

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

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6 Jan 2019

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The first known use of treatise was in the 14th century

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English Language Learners Definition of treatise

: a book, article, etc., that discusses a subject carefully and thoroughly

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involving abstract or general statements

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