- lumen per square foot
- lumen na stopę kwadratową
English-Polish dictionary of Electronics and Computer Science. 2013.
lumen per square foot
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foot-candle — [foot′kan΄dəl] n. a unit of illumination, equal to one lumen per square foot (10.764 lux), or the amount of light from a source of one candela directly thrown on a square foot of surface at a distance of one foot: abbrev. fc … English World dictionary
foot-can|dle — «FUT KAN duhl», noun. a unit for measuring illumination; candle foot. It is the amount of light produced by a candle on a surface at a distance of one foot, and equal to one lumen per square foot. Abbr: ft. c. or f.c … Useful english dictionary
foot-lambert — /foot lam beuhrt/, n. Optics. 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… … Universalium
foot-lambert — foot′ lam bert n. opt a unit of luminance equal to the luminance of a surface emitting a luminous flux of one lumen per square foot • Etymology: 1920–1925 … From formal English to slang
foot-lam|bert — «FUT LAM buhrt», noun. a unit of luminance, equivalent to the luminance of a perfectly diffused surface that emits or reflects one lumen per square foot … Useful english dictionary
Foot-candle — A foot candle (sometimes foot candle; abbreviated fc, lm/ft², or sometimes ft c) is a non SI unit of illuminance or light intensity widely used in photography, film, television, and the lighting industry. The unit is defined as the amount of… … Wikipedia
foot-lambert — noun a former luminance unit equal to one lumen per square foot • Syn: ↑ft L • Hypernyms: ↑luminance unit * * * /foot lam beuhrt/, n. Optics. a unit of luminance or photometric brightness, equal to the luminance of a surface emitting a luminous… … Useful english dictionary
foot-candle — noun Date: 1906 a unit of illuminance on a surface that is everywhere one foot from a uniform point source of light of one candle and equal to one lumen per square foot … New Collegiate Dictionary
foot candle — noun a measure of illuminance (or light intensity) on a surface equal to one lumen per square foot … Wiktionary
Foot Candle — A unit of illuminance; equal to one lumen per square foot … Energy terms
Candela per square metre — Nit (unit) redirects here. For the unit of information entropy, see Nat (information). The candela per square metre (cd/m2) is the derived SI unit of luminance. The unit is based on the candela, the SI unit of luminous intensity, and the square… … Wikipedia
