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lambert definition

lam·bert (lam′bərt)

noun

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): abbrev. L

Etymology: after J. H. Lambert (1728-77), Ger mathematician, physicist, & philosopher

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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