Home
Random
Log in
Settings
Donations
About Wiktionary
Disclaimers
Search
Fizeau-Foucault apparatus
Language
Watch
Edit
English
edit
English
Wikipedia
has an article on:
Fizeau-Foucault apparatus
Wikipedia
Etymology
edit
Named after Hippolyte Fizeau and Léon Foucault.
Noun
edit
Fizeau
-
Foucault
apparatus
(
historical
)
Either of two types of
instrument
used to measure the
speed of light
.