lambert: Meaning and Definition of

lam•bert

1. the 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

Lam•bert

1. 1905–51, English composer and conductor.
2. 1728–77, German scientist and mathematician.
3. a male given name: from Germanic words meaning “land” and “bright.”