[ thee-er-uh m, theer-uh m ]
/ ˈθi ər əm, ˈθɪər əm /


Mathematics. a theoretical proposition, statement, or formula embodying something to be proved from other propositions or formulas.
a rule or law, especially one expressed by an equation or formula.
Logic. a proposition that can be deduced from the premises or assumptions of a system.
an idea, belief, method, or statement generally accepted as true or worthwhile without proof.



How well do you know your adjectives from your adverbs? Your preposition from your pronouns? Your interjections from your conjunctions? Let’s put your knowledge of parts of speech to the text! Note: Many of the following questions will ask you to identify the parts of speech “in order.” That means the first word in all capital letters will correspond to the first option in an answer, and so on.
Question 1 of 10
In order, what parts of speech are the words in all capital letters? Alisa was VERY tired, SO she decided to go to bed.

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


the·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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for theorem

British Dictionary definitions for theorem

/ (ˈθɪərəm) /


maths logic a statement or formula that can be deduced from the axioms of a formal system by means of its rules of inference

Derived forms of theorem

theorematic (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

Medical definitions for theorem

[ thēər-əm, thîrəm ]


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

Scientific definitions for theorem

[ thēər-əm, thîrəm ]

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

Cultural definitions for theorem

[ (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.

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.