What is the meaning of Fresnel lens?

See under Lens.
Webster's Revised Unabridged Dictionary
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APAWebster's. (2011). fresnel lens. Retrieved September 29, 2026, from http://smartdefine.org/fresnel_lens/definitions/2010181
ChicagoWebster's. 2011. "fresnel lens" http://smartdefine.org/fresnel_lens/definitions/2010181 (accessed September 29, 2026).
HarvardWebster's 2011, fresnel lens, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/fresnel_lens/definitions/2010181>.
MLAWebster's. "fresnel lens" 27 May 2011. Web. 29 September 2026. <http://smartdefine.org/fresnel_lens/definitions/2010181>
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