follow Dictionary.com

How do you spell Hannukah?

fresnel

[fruh-nel, French frey-nel] /frəˈnɛl, French freɪˈnɛl/
noun
1.
a unit of frequency, equal to 10 12 cycles per second.
Origin
1935-1940
1935-40; named after Augustin Jean Fresnel

Fresnel

[fruh-nel; French frey-nel] /frəˈnɛl; French freɪˈnɛl/
noun
1.
Augustin Jean, 1788–1827, French physicist.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for fresnel

fresnel

/ˈfreɪnɛl; French frɛnɛl/
noun
1.
a unit of frequency equivalent to 1012 hertz
Word Origin
C20: named after Augustin Jean Fresnel (1788–1827), French physicist

Fresnel

/French frɛnɛl/
noun
1.
Augustin Jean (oɡystɛ̃ ʒɑ̃). 1788–1827, French physicist: worked on the interference of light, contributing to the wave theory of light
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
fresnel in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for fresnel

Few English speakers likely know this word

Word Value for fresnel

10
12
Scrabble Words With Friends

Nearby words for fresnel