Definition of treatise in English:

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Pronunciation: /ˈtriːtɪs/
Pronunciation: /ˈtriːtɪz/


A written work dealing formally and systematically with a subject: his treatise on Scottish political theory
More example sentences
  • They study magic and write treatises and quarrel, as scholars will, but none of them can cast a spell to save his life.
  • He developed his interest in mechanics, writing treatises on his inventions which he circulated in manuscript.
  • He wrote several intellectual treatises that are admired even today.
disquisition, essay, paper, work, piece of writing, exposition, discourse, dissertation, thesis, monograph, study, critique;
tract, pamphlet
rare tractate, institutes


Late Middle English: from Anglo-Norman French tretis, from Old French traitier (see treat).

For editors and proofreaders

Line breaks: trea|tise

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