Butterworth filter

noun

A kind of filter designed to have as flat a frequency response as possible in the passband.

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Meanings

nounButterworth filter (plural Butterworth filters)

plural Butterworth filters

  1. computingA kind of filter designed to have as flat a frequency response as possible in the passband.

Origin

First described in 1930 by the British engineer and physicist Stephen Butterworth.

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Cite this entry
APA

Butterworth filter. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Butterworth%20filter

MLA

“Butterworth filter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Butterworth%20filter. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Butterworth filter,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Butterworth%20filter.

Source: Butterworth filter on Wiktionary, CC BY-SA 4.0.