A jean fresnel
[fruh-nel; french frey-nel] /frəˈnɛl; french freɪˈnɛl/
noun
augustin jean, 1788–1827, french physicist.
fresnel
/ˈfreɪnɛl; french frɛnɛl/
noun
a unit of frequency equivalent to 1012 hertz
word origin
c20: named after augustin jean fresnel (1788–1827), french physicist
fresnel
/french frɛnɛl/
noun
augustin jean (oɡystɛ̃ ʒɑ̃). 1788–1827, french physicist: worked on the interference of light, contributing to the wave theory of light
fresnel
(frā-něl’)
french physicist whose investigations of the interference, diffraction, and polarization of light helped establish the theory that light moves in a wavelike motion. fresnel also made great contributions to the field of optics, including the development of a compound lens for use in lighthouses.
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