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fresnel
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The answer FRESNEL has 3 possible clue(s) in existing crosswords.
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The word FRESNEL is VALID in some board games. Check FRESNEL in word games in Scrabble, Words With Friends, see scores, anagrams etc.
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Definitions of fresnel in various dictionaries:
noun - French physicist who invented polarized light and invented the Fresnel lens (1788-1827)
noun - a unit of frequency
FRESNEL - Augustin-Jean Fresnel ( FREZ-nl, fray-NEL; French: [yst fnl]; 10 May 1788 14 July 1827) was a French civil engineer and physicist whose research in...
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Keep reading for additional results and analysis below.
| Possible Crossword Clues |
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| Frequency unit |
| -- lens (spotlight component) |
| Lighthouse lens inventor |
| Last Seen in these Crosswords & Puzzles |
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| Jan 20 2013 L.A. Times Daily |
| Jul 24 2011 Premier Sunday - King Feature Syndicate |
| May 11 2008 L.A. Times Daily |
| Possible Jeopardy Clues |
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| This lens that uses a series of rings to concentrate a beam of light is named for a French physicist |
| Possible Dictionary Clues |
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| A unit of frequency equal to 1012 or one terahertz |
| a flat lens made of a number of concentric rings, to reduce spherical aberration. |
| French physicist who invented polarized light and invented the Fresnel lens (1788-1827) |
| A flat lens made of a number of concentric rings, to reduce spherical aberration. |
| Fresnel description |
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Augustin-Jean Fresnel ( FREZ-nl, fray-NEL; French: [yst fnl]; 10 May 1788 14 July 1827) was a French civil engineer and physicist whose research in optics led to the almost unanimous acceptance of the wave theory of light, excluding any remnant of Newton's corpuscular theory, from the late 1830s until the end of the 19th century. * But he is perhaps better known for inventing the catadioptric (reflective/refractive) Fresnel lens and for pioneering the use of "stepped" lenses to extend the visibility of lighthouses, saving countless lives at sea. The simpler dioptric (purely refractive) stepped lens, first proposed by Count Buffon and independently reinvented by Fresnel, is used in screen magnifiers and in condenser lenses for overhead projectors. * By expressing Huygens' principle of secondary waves and Young's principle of interference in quantitative terms, and supposing that simple colors consist of sinusoidal waves, Fresnel gave the first satisfactory explanation of diffraction by st |