theorem

noun
the·​o·​rem | \ ˈthē-ə-rəm How to pronounce theorem (audio) , ˈthir-əm \

Definition of theorem

1 : a formula, proposition, or statement in mathematics or logic deduced or to be deduced from other formulas or propositions
2 : an idea accepted or proposed as a demonstrable truth often as a part of a general theory : proposition the theorem that the best defense is offense
3 : stencil
4 : a painting produced especially on velvet by the use of stencils for each color

Other Words from theorem

theorematic \ ˌthē-​ə-​rə-​ˈma-​tik How to pronounce theorem (audio) , ˌthir-​ə-​ \ adjective

Examples of theorem in a Sentence

Recent Examples on the Web Another version of the PCP theorem, not yet proved, specifically deals with the quantum case. Quanta Magazine, 18 July 2022 Applying Noether’s theorem to the equations of quantum mechanics gets complicated, though. Katie Mccormick, Quanta Magazine, 16 May 2022 This theorem cannot be evaluated until a single noise (and body) can be isolated from the bedlam. Naomi B. Ware, The New Yorker, 6 June 2022 The theorem gave a new understanding of NP and explained some of its intriguing properties. Quanta Magazine, 23 May 2022 The celebrity pair’s sad and sordid relationship isn’t a unified field theorem that explains contemporary politics. Natalie Shure, The New Republic, 16 May 2022 Still, the entirely probable theory lives on as a legendary true crime theorem. Milan Polk, Men's Health, 10 May 2022 Under Nash’s theorem, producers will observe each other’s behavior and be smart enough to coalesce or converge to make higher profits. Ed Hirs, Forbes, 5 May 2022 Our resulting no-go theorem says that any quantum machine-learning strategy will encounter the dreaded barren plateau when applied to an unknown scrambling process. Zoë Holmes, Scientific American, 16 June 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'theorem.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of theorem

1551, in the meaning defined at sense 1

History and Etymology for theorem

Late Latin theorema, from Greek theōrēma, from theōrein to look at, from theōros spectator, from thea act of seeing — more at theater entry 1

Learn More About theorem

Time Traveler for theorem

Time Traveler

The first known use of theorem was in 1551

See more words from the same year

Statistics for theorem

Last Updated

28 Jul 2022

Cite this Entry

“Theorem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theorem. Accessed 12 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on theorem

Thesaurus: All synonyms and antonyms for theorem

Nglish: Translation of theorem for Spanish Speakers

Britannica.com: Encyclopedia article about theorem

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!