foot-candle

noun foot-can·dle \ ˈfu̇t-ˈkan-dᵊl \

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

in the meaning defined above

See Words from the same year

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Medical Dictionary

footcandle

noun foot·can·dle \ -ˈkan-dᵊl \

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