Associations to the word «Fresnel»

Wiktionary

FRESNEL, noun. (physics) A unit of frequency equal to 1012 or one terahertz
FRESNEL LAMP, noun. Fresnel lantern
FRESNEL LANTERN, noun. A lantern used in theatre, which employs a Fresnel lens to wash light over an area of the stage.
FRESNEL LENS, noun. The hollow cylindrical lens used in the Fresnel lantern.
FRESNEL LENSES, noun. Plural of Fresnel lens
FRESNEL ZONE PLATE, noun. (physics) An optical device that uses diffraction through alternate transparent and opaque rings to function as a lens
FRESNEL ZONE PLATES, noun. Plural of Fresnel zone plate

Dictionary definition

FRESNEL, noun. French physicist who invented polarized light and invented the Fresnel lens (1788-1827).

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.