theorem

noun

the·​o·​rem ˈthē-ə-rəm How to pronounce theorem (audio)
ˈthir-əm
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
4
: a painting produced especially on velvet by the use of stencils for each color
theorematic 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.
Two people had previously proved the theorem using trigonometry: Jason Zimba in 2009 and Nuno Luzia in 2015. Alexa Robles-Gil, Smithsonian Magazine, 30 Oct. 2024 But the rest of me won’t entertain that theorem for long. Jonah Walters, Longreads, 24 Oct. 2024 Although the Pythagorean theorem has been proved with algebra and geometry, mathematicians previously thought that it couldn’t be proved using trigonometry. Alexa Robles-Gil, Smithsonian Magazine, 30 Oct. 2024 Many mathematicians over the years have explained why the theorem works using algebra and geometry. Katie Hunt, CNN, 29 Oct. 2024 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

Dictionary Entries Near theorem

Cite this Entry

“Theorem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theorem. Accessed 1 Dec. 2024.

Kids Definition

theorem

noun
the·​o·​rem ˈthē-ə-rəm How to pronounce theorem (audio)
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

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