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treatise

 - 3 dictionary results

trea⋅tise

[tree-tis]
–noun
a formal and systematic exposition in writing of the principles of a subject, generally longer and more detailed than an essay.

Origin:
1300–50; ME tretis < AF tretiz, akin to OF traitier to treat
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To treatise
trea·tise   (trē'tĭs)   
n.  
  1. A systematic, usually extensive written discourse on a subject.

  2. Obsolete A tale or narrative.


[Middle English treatis, from Anglo-Norman tretiz, alteration of treteiz, from Vulgar Latin *tractātīcius, from Latin tractātus, past participle of tractāre, to drag about, deal with; see treat.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

treatise 
c.1300, from Anglo-Fr. tretiz (c.1250), contracted from O.Fr. traiteiz, from Gallo-Romance *tractaticius, from L. tractare "to deal with" (see treat).
Online Etymology Dictionary, © 2001 Douglas Harper
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