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Fres·nel

(frā-nĕl′), Augustin Jean 1788-1827.

French physicist who supported the wave theory of light, investigated polarized light, and developed a compound lens for use in lighthouses.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Fresnel

(French frɛnɛl)

(Biography) Augustin Jean (oɡystɛ̃ ʒɑ̃). 1788–1827, French physicist: worked on the interference of light, contributing to the wave theory of light

fresnel

(ˈfreɪnɛl; French frɛnɛl)

(Units) a unit of frequency equivalent to 10¹² hertz

[C20: named after Augustin Jean Fresnel (1788–1827), French physicist]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

fres•nel

(frəˈnɛl, freɪ-)

n.

a unit of frequency equal to 10¹² cycles per second.

[1935–40; after Augustin Jean Fresnel (1788–1827), French physicist]

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Noun

Fresnel - French physicist who invented polarized light and invented the Fresnel lens (1788-1827)

Augustin Jean Fresnel

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