treatise

[ tree-tis ]
See synonyms for treatise on Thesaurus.com
noun
  1. a formal and systematic exposition in writing of the principles of a subject, generally longer and more detailed than an essay.

Origin of treatise

1
1300–50; Middle English tretis<Anglo-French tretiz, akin to Old French traitier to treat

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How to use treatise in a sentence

British Dictionary definitions for treatise

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

Origin of treatise

1
C14: from Anglo-French tretiz, from Old French tretier to treat

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