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Meaning of foot-lambert

foot-lam•bert

Pronunciation: (foot'lam"burt), [key]
— n. Optics.
  1. a unit of luminance or photometric brightness, equal to the luminance of a surface emitting a luminous flux of one lumen per square foot, the luminance of a perfectly reflecting surface receiving an illumination of one foot-candle. Abbr.: fL &hasp;
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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