treatise

• POS: Noun
• HYPHEN: trea=tise

CIDE DICTIONARY

treatise, n. [OE. tretis, OF. treitis, traitis, well made. See Treat.].

•  A written composition on a particular subject, in which its principles are discussed or explained; a tract.  Chaucer.  [1913 Webster]

  " A treatise implies more form and method than an essay, but may fall short of the fullness and completeness of a systematic exposition."  [1913 Webster]

  "He published a treatise in which he maintained that a marriage between a member of the Church of England and a dissenter was a nullity."  [1913 Webster]
•  Story; discourse.  Shak.  [1913 Webster]

OXFORD DICTIONARY

treatise, n. a written work dealing formally and systematically with a subject.

Etymology

ME f. AF tretis f. OF traitier TREAT

ROGET THESAURUS

treatise

Book

N booklet, writing, work, volume, tome, opuscule, tract, tractate, livret, brochure, libretto, handbook, codex, manual, pamphlet, enchiridion, circular, publication, chap book, part, issue, number livraison, album, portfolio, periodical, serial, magazine, ephemeris, annual, journal, paper, bill, sheet, broadsheet, leaf, leaflet, fly leaf, page, quire, ream, chapter, section, head, article, paragraph, passage, clause, endpapers, frontispiece, cover, binding, folio, quarto, octavo, duodecimo, sextodecimo, octodecimo, encyclopedia, encompilation, library, bibliotheca, press, definitive work, treatise, comprehensive treatise (dissertation), writer, author, litterateur, essayist, journalism, pen, scribbler, the scribbling race, literary hack, Grub-street writer, writer for the press, gentleman of the press, representative of the press, adjective jerker, diaskeaust, ghost, hack writer, ink slinger, publicist, reporter, penny a liner, editor, subeditor, playwright, poet, bookseller, publisher, bibliopole, bibliopolist, librarian, bookstore, bookshop, bookseller's shop, knowledge of books, bibliography, book learning, among the giant fossils of my past, craignez tout d'un auteur en courroux, for authors nobler palms remain, I lived to write and wrote to live, look in thy heart and write, there is no Past so long as Books shall live, the public mind is the creation of the Master-Writ, volumes that I prize above my dukedom.

Dissertation

N dissertation, treatise, essay, thesis, theme, monograph, tract, tractate, tractation, discourse, memoir, disquisition, lecture, sermon, homily, pandect, excursus, commentary, review, critique, criticism, article, leader, leading article, editorial, running commentary, investigation, study, discussion, exposition, commentator, critic, essayist, pamphleteer, discursive, discoursive, disquisitionary, expository.