Lambert definitions

lăm'bərt
The unit of luminance in the centimeter-gram-second system, equivalent to the luminance of a perfectly diffusing surface that emits or reflects one lumen per square centimeter.
noun
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The basic unit of luminance in the CGS system, equal to the brightness of an ideal surface that radiates or reflects light at the rate of one lumen per square centimeter (929.023 foot-candles or 10,000 lux or 1/π candela per square centimeter)
noun
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A unit of luminance in the centimeter-gram-second system, equivalent to the luminance of a perfectly diffusing surface that emits or reflects one lumen per square centimeter. The lambert is named after the Swiss mathematician and physicist Johann Heinrich Lambert (1728–1777).
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(physics) A cgs unit of luminance; the brightness of a surface that emits one lumen per square centimetre.
noun
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A male given name; in modern use partly transferred back from the surname.
pronoun
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pronoun
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A lunar impact crater.
pronoun
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Origin of lambert

Old High German lant (“land”) + beraht (“bright”), a saint's name (of a Bishop of Maastricht) brought to England by Normans, and partly merged with a corresponding Old English name.