English Explanatory Dictionary

fresnel

English dictionary entry

Meanings

noun
  1. A unit of frequency equal to 10¹² hertz, or one terahertz.
  2. A Fresnel lens or a light feature using such a lens
name
  1. A surname from French, notably held by Augustin-Jean Fresnel.

Word forms

fresnel fresnels

Etymology

For Augustin-Jean Fresnel, French physicist.

Derived words

Fresnel coefficient Fresnel equation Fresnel lamp Fresnel lantern Fresnel lens Fresnel number Fresnel reflection Fresnel rhomb Fresnel spot Fresnel zone plate Huygens-Fresnel principle
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