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WordReference Random House Unabridged Dictionary of American English © 2024lam•bert (lam′bərt),USA pronunciation n. [Optics.]- Opticsthe centimeter-gram-second unit of luminance or brightness, equivalent to 0.32 candles per square centimeter, and equal to the brightness of a perfectly diffusing surface emitting or reflecting one lumen per square centimeter. Abbr.: L
- named after J. H. Lambert 1910–15
Con•stant (kon′stənt),USA pronunciation 1905–51, English composer and conductor.Jo•hann Hein•rich (yō′hän hīn′rikh),USA pronunciation 1728–77, German scientist and mathematician.- a male given name: from Germanic words meaning "land'' and "bright.''
Collins Concise English Dictionary © HarperCollins Publishers:: lambert /ˈlæmbət/ n - the cgs unit of illumination, equal to 1 lumen per square centimetre
Symbol: L
Etymology: named after J. H. Lambert (1728–77), German mathematician and physicist Collins Concise English Dictionary © HarperCollins Publishers:: Lambert /ˈlæmbət/ n - Constant. 1905–51, English composer and conductor. His works include much ballet music and The Rio Grande (1929), a work for chorus, orchestra, and piano, using jazz idioms
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