• synonyms


[thee-er-uh m, theer-uh m]
See more synonyms for theorem on Thesaurus.com
  1. Mathematics. a theoretical proposition, statement, or formula embodying something to be proved from other propositions or formulas.
  2. a rule or law, especially one expressed by an equation or formula.
  3. Logic. a proposition that can be deduced from the premises or assumptions of a system.
  4. an idea, belief, method, or statement generally accepted as true or worthwhile without proof.
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Origin of theorem

1545–55; < Late Latin theōrēma < Greek theṓrēma spectacle, hence, subject for contemplation, thesis (to be proved), equivalent to theōrē-, variant stem of theōreîn to view + -ma noun suffix
Related formsthe·o·re·mat·ic [thee-er-uh-mat-ik, theer-uh-] /ˌθi ər əˈmæt ɪk, ˌθɪər ə-/, adjectivethe·o·re·mat·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for theorem

axiom, proposition, dictum, thesis, fundamental, doctrine, rule, deduction, belief, assumption, principle, statement, formula, postulate, law, theory, principium

Examples from the Web for theorem

Historical Examples of theorem

  • Plutarch mentions a doubt whether it was this problem or the theorem of Eucl.

    The Legacy of Greece


  • Why, Euclid would have theorem'd it out for you at a glance at the trio.

  • The period passed like a moment, as theorem after theorem was disposed of.


    Laura E. Richards

  • This theorem is called generally the principle of Archimedes.

  • Now, to proceed in this way with what may be called Mr. Hume's theorem.

British Dictionary definitions for theorem


  1. maths logic a statement or formula that can be deduced from the axioms of a formal system by means of its rules of inference
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Derived Formstheorematic (ˌθɪərəˈmætɪk) or theoremic (ˌθɪəˈrɛmɪk), adjectivetheorematically, adverb

Word Origin for theorem

C16: from Late Latin theōrēma, from Greek: something to be viewed, from theōrein to view
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

Word Origin and History for theorem


1550s, from Middle French théorème, from Late Latin theorema, from Greek theorema "spectacle, speculation," in Euclid "proposition to be proved," from theorein "to consider" (see theory).

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Online Etymology Dictionary, © 2010 Douglas Harper

theorem in Medicine


(thēər-əm, thîrəm)
  1. An idea that is demonstrably true or is assumed to be so.
  2. A mathematical proposition that has been or is to be proved on the basis of explicit assumptions.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

theorem in Science


[thēər-əm, thîrəm]
  1. A mathematical statement whose truth can be proved on the basis of a given set of axioms or assumptions.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

theorem in Culture


[(thee-uh-ruhm, theer-uhm)]

A statement in mathematics that is not a basic assumption, such as an axiom, but is deduced (see deduction) from basic assumptions.

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.