Fourier series


: an infinite series in which the terms are constants multiplied by sine or cosine functions of integer multiples of the variable and which is used in the analysis of periodic functions

Examples of Fourier series in a Sentence

Recent Examples on the Web The solution involves a series of clever tricks, a couple of Fourier series, and results in a fairly cute elephant (see below). Seriously Science, Discover Magazine, 2 Sep. 2013

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Word History


Baron J.B.J. Fourier

First Known Use

1877, in the meaning defined above

Time Traveler
The first known use of Fourier series was in 1877

Dictionary Entries Near Fourier series

Cite this Entry

“Fourier series.” Dictionary, Merriam-Webster, Accessed 23 Sep. 2023.

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