Dictionary.com
Thesaurus.com
Synonyms

treatise

American  
[tree-tis] / ˈtri tɪs /

noun

  1. a formal and systematic exposition in writing of the principles of a subject, generally longer and more detailed than an essay.


treatise British  
/ ˈtriːtɪz /

noun

  1. a formal work on a subject, esp one that deals systematically with its principles and conclusions

  2. an obsolete word for narrative

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of treatise

1300–50; Middle English tretis < Anglo-French tretiz, akin to Old French traitier to treat

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Too much time spent on Marty’s mother or his fierce opponent would distract from the film’s momentum, reducing it to simply a sports movie, and not a conclusive treatise on the cruelty of desire.

From Salon

The book jacket features a prominent blurb from Johnson calling the doctor’s treatise: “A gripping tale of corruption and courage that will open eyes and prompt serious questions.”

From Salon

Johann Fischer's 1852 treatise on lizard neuroanatomy included part of the coil but omitted the remainder, and Fischer never described the curled structure.

From Science Daily

Evans told reporters he would not describe the notebook found in the car as a "manifesto" as it was not "a treatise on all kinds of ideology and writings".

From BBC

If you need a house shoe to work with these PJs, please consult my earlier treatise on slippers.

From Los Angeles Times