Definition of foot-candle
: 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
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First Known Use of foot-candle
1906
Medical Dictionary
medical Definition of footcandle
: 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
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