| 释义 |
foot-lambert
foot-lam·bert (fo͝ot′lăm′bərt)n. Abbr. fL A unit of luminance equal to 1/π candela per square foot.foot-lambert n (Units) 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. Abbreviation: ft-L foot′-lam`bert
n. a unit of luminance equal to the luminance of a surface emitting a luminous flux of one lumen per square foot. [1920–1925] Thesaurus| Noun | 1. | foot-lambert - a former luminance unit equal to one lumen per square footft-Lluminance unit - a measure of luminance |
Foot-lambert
Foot-lambertThe unit of brightness of a light source or of an illuminated surface.AcronymsSeeFLfoot-lambert
Synonyms for foot-lambertnoun a former luminance unit equal to one lumen per square footSynonymsRelated Words |