Treatise

//ˈtɹiːtɪs// noun

Definitions

Noun
  1. 1
    A formal, usually lengthy, systematic discourse on some subject.

    ""As you cannot make a speech, you must," said Henrietta, "put it into a treatise.""

  2. 2
    a formal exposition wordnet

Etymology

From Middle English tretys, from Anglo-Norman tretiz and Old French traitis (“treatise, account”), from traitier (“to deal with, treat”).

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