TREATISE
treatise
(noun) a formal exposition
Source: WordNet® 3.1
Etymology
Noun
treatise (plural treatises)
A formal, usually lengthy, systematic discourse on some subject.
Synonyms
• dissertation
• disquisition
• monograph
• treatment (informal explanation, usually in essay form)
Anagrams
• ariettes, iterates, teariest, testeria, treaties
Source: Wiktionary
Trea"tise, n. Etym: [OE. tretis, OF. treitis, traitis, well made. See
Treat.]
1. A written composition on a particular subject, in which its
principles are discussed or explained; a tract. Chaucer.
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. Macaulay.
Note: A treatise implies more form and method than an essay, but may
fall short of the fullness and completeness of a systematic
exposition.
2. Story; discourse. [R.] Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition