foot-lambert

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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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.foot-lambert - a former luminance unit equal to one lumen per square foot
luminance unit - a measure of luminance
References in periodicals archive ?
For the first time anywhere, IBC visitors could watch full-length feature films -- The Life of Pi and Dawn of the Planet of the Apes, both shown courtesy of 20th Century Fox -- in high brightness, 14 foot lambert (fL) 3D, thanks to the installation of the Christie's 6-Primary (6P) laser colour system.
5 50+ 180[degrees] red 8327 * NOTE: A foot lambert (FL) is a measurement of the light produced on the surface of the lamp.