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foot candle
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Foot candle — (Photom.) The amount of illumination produced by a standard candle at a distance of one foot. [Webster 1913 Suppl.] … The Collaborative International Dictionary of English
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-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 candle — (fc or ftc) a traditional unit of illuminance or illumination, defined as the illuminance received by a surface at a distance of one foot from a source of intensity one international candle. The international candle was the predecessor of the… … Dictionary of units of measurement
foot candle — Synonyms and related words: ASA scale, British candle, Hefner candle, Scheiner scale, bougie decimale, candle, candle lumen, candle power, candle foot, candle hour, candle meter, decimal candle, exposure meter, flux, intensity, international… … Moby Thesaurus
foot-candle — TV A unit of illumination equal to the light emitted by a candle at the distance of one foot. One foot candle equals 10.764 lux. (See lux) … Audio and video glossary
Foot Candle — FC (Foot Candle) единица измерения интенсивности света. 1 FC равен общей интенсивности света, падающего на квадратный фут от источника света 1 свеча, находящегося на расстоянии 1 фута). Термин используется в США для описания… … Википедия
foot-candle — /foot kan dl/, n. Optics. a unit of illuminance or illumination, equivalent to the illumination produced by a source of one candle at a distance of one foot and equal to one lumen incident per square foot. Abbr.: FC Also, footcandle. [1905 10] *… … Universalium
foot-candle — foot′ can dle n. opt a unit equivalent to the illumination produced by a source of one candle at a distance of one foot and equal to one lumen incident per square foot • Etymology: 1905–10 … From formal English to slang
foot-candle — /foot kan dl/, n. Optics. a unit of illuminance or illumination, equivalent to the illumination produced by a source of one candle at a distance of one foot and equal to one lumen incident per square foot. Abbr.: FC Also, footcandle. [1905 10] … 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
