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Definition of treatise noun from the Oxford Advanced Learner's Dictionary

treatise

noun
 
/ˈtriːtɪs/,
 
/ˈtriːtɪz/
 
/ˈtriːtɪs/
(formal)
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  1. treatise (on something) a long and serious piece of writing on a particular subject
    • ‘A Treatise on Probability’ by John Maynard Keynes
    • Any of these questions would deserve a lengthy treatise, perhaps even a small book.
    Word Originlate Middle English: from Anglo-Norman French tretis, from Old French traitier, from Latin tractare ‘handle’, frequentative of trahere ‘draw, pull’.
See treatise in the Oxford Advanced American DictionarySee treatise in the Oxford Learner's Dictionary of Academic English
trait
noun
 
 
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