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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
Recent Examples of theorem from the Web

Or Kyrie Irving make shots that invalidate several geometric theorems?

The linebacker corps alone bends the mind like the Pythagorean theorem.

In the early 20th century, a young mathematician developed a theorem.

This was enough to prove the four color theorem, but getting there was not easy.

For the past four decades, scientists have tested the boundaries of Bell’s theorem.

About an hour later, Rodriguez was in the batter’s box trying to prove his theorem singlehandedly.

Conclusive proof of what had been, until now, a highly plausible theorem recently arrived courtesy of the New York Times Syndicate’s marketing department.
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 MerriamWebster or its editors. Send us feedback.
Origin and Etymology of theorem
Late Latin theorema, from Greek theōrēma, from theōrein to look at, from theōros spectator, from thea act of seeing — more at ^{1}theater
Other Mathematics and Statistics Terms
THEOREM Defined for English Language Learners
theorem
playDefinition of theorem for English Language Learners

: a formula or statement that can be proved from other formulas or statements
Learn More about theorem

See words that rhyme with theorem Spanish Central: Translation of theorem Nglish: Translation of theorem for Spanish speakers Britannica.com: Encyclopedia article about theorem
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