定理の定義と意味 - メリアム・ウェブスター

THEOREM Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition Definition Example Sentences Word History Phrases Containing Rhymes Entries Near Cite this Entry Citation Kids Definition Kids More from M-W Show more Show more Citation Kids More from M-W Save Word To save this word, you'll need to log in. Log In theorem noun the·​o·​rem ˈthē-ə-rəm ˈthir-əm Synonyms 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 theorematic ˌthē-ə-rə-ˈma-tik ˌthir-ə- adjective Examples of theorem in a Sentence Recent Examples on the Web Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback . An axiom can also be accepted for plenty of other reasons, as Maddy put it — such as for its power to generate interesting theorems . — Quanta Magazine , 29 Apr. 2026 This intended, symbolic representation of the Pythagorean theorem would be huge enough to be seen from the moon — even by inhabitants of Mars. — Leonard David, Space.com , 23 Apr. 2026 This large-scale appropriation of the resources that knowledge workers use to make a living – skills, styles, theorems , jokes, recipes – has a historical parallel. — Will Glovinsky, The Conversation , 30 Mar. 2026 The two decided to formalize Viazovska’s proofs by translating every term, definition and theorem referenced into Lean code. — Manon Bischoff, Scientific American , 26 Mar. 2026 See All Example Sentences for theorem Word History Etymology Late Latin theorema , from Greek theōrēma , from theōrein to look at, from theōros spectator, from thea act of seeing — more at theater entry 1 First Known Use 1551, in the meaning defined at sense 1 Time Traveler The first known use of theorem was in 1551 See more words from the same year Phrases Containing theorem Bayes's theorem Bayes theorem binomial theorem central limit theorem DeMoivre's theorem Fermat's last theorem Fourier's theorem Godel's theorem Jordan curve theorem mean value theorem Pythagorean theorem remainder theorem Rolle's theorem Rhymes for theorem serum thiram antiserum variorum See All Rhymes for theorem Browse Nearby Words the order of the day theorem theorematic See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Theorem.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/theorem. Accessed 5 May. 2026. Copy Citation Kids Definition theorem noun the·​o·​rem ˈthē-ə-rəm ˈthi(-ə)r-əm 1 : a formula, proposition, or statement in mathematics or logic that has been or is to be proved from other formulas or propositions 2 : an idea accepted or proposed as a demonstrable truth 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 Last Updated: 30 Apr 2026 - Updated example sentences Love words? Need even more definitions? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Merriam-Webster unabridged More from Merriam-Webster Word of the Day augur See Definitions and Examples » Get Word of the Day daily email! Popular in Grammar & Usage See More More Commonly Mispronounced Words 5 Verbal Slip Ups and Language Mistakes Is it 'used to' or 'use to'? The Difference Between 'i.e.' and 'e.g.' Why is '-ed' sometimes pronounced at the end of a word? See More Popular in Wordplay See More The Longest Long Words List 9 Other Words for Beautiful The Words of the Week - May 1 Was 'nervous Nellie' a Real Person? 12 Lovely and Unusual Words for the Natural World See More Popular See More More Commonly Mispronounced Words The Longest Long Words List 9 Other Words for Beautiful See More Games & Quizzes See All Quordle Can you solve 4 words at once? Play Blossom Pick the best words! Play The Missing Letter A daily crossword with a twist Play Name That Tree! A quiz that’s all bark, no bite. Take the quiz See All