ALL meanings of foot-lambert
foot-lam·bert
F f - noun foot-lambert 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. Abbreviation: fL. 1
- noun foot-lambert a former unit of luminance equal to the luminance of a surface emitting or reflecting 1 lumen per square foot. A completely reflecting surface illuminated by 1 foot-candle has a luminance of 1 foot-lambert 0
- noun foot-lambert A unit of luminance equal to 1/π candela per square foot, or 3.426 candela per square meter. 0