Fizeau-Foucault apparatus

noun

Either of two types of instrument used to measure the speed of light.

Meanings

noun
  1. historicalEither of two types of instrument used to measure the speed of light.

Origin

Named after Hippolyte Fizeau and Léon Foucault.

Full word history & related roots →
Cite this entry
APA

Fizeau-Foucault apparatus. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Fizeau-Foucault%20apparatus

MLA

“Fizeau-Foucault apparatus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Fizeau-Foucault%20apparatus. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Fizeau-Foucault apparatus,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Fizeau-Foucault%20apparatus.

Source: Fizeau-Foucault apparatus on Wiktionary, CC BY-SA 4.0.