Fourier's theorem

noun

: a theorem in mathematics: under suitable conditions any periodic function can be represented by a Fourier series

Word History

First Known Use

1834, in the meaning defined above

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The first known use of Fourier's theorem was in 1834

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Fourier

Fourier's theorem

Fourier analysis

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“Fourier's theorem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Fourier%27s%20theorem. Accessed 31 Oct. 2025.

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Fourier's theorem

noun

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