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Fresnel

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
Fres·nel  (fr-nl), 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.

fresnel [ˈfreɪnɛl (French) frɛnɛl]
n
(Mathematics & Measurements / Units) a unit of frequency equivalent to 1012 hertz
[named after Augustin Jean Fresnel (1788-1827), French physicist]

Fresnel (French) [frɛnɛl]
n
(Biographies / Fresnel, Augustin Jean (1788-1827) M, French, SCIENCE: physicist) Augustin Jean (ogystɛ̃ ʒɑ̃). 1788-1827, French physicist: worked on the interference of light, contributing to the wave theory of light
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Fresnel - French physicist who invented polarized light and invented the Fresnel lens (1788-1827)


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? Mentioned in ? References in periodicals archive
 
In the mid zone the modified theory is reduced to the Fresnel approximation, and here the latter may be used with confidence.
The "first order" fresnel lens casts its beam 21 miles offshore, the brightest light on the Oregon coast.
The Supermex consisted of a sensor monitor, which was mounted above the cage to detect changes in heat across multiple zones of the cage through an array of Fresnel lenses.
 
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