foot-candle

or foot·can·dle

[ foo t-kan-dl ]
/ ˈfʊtˈkæn dl /

noun 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. Abbreviation: FC

Origin of foot-candle

First recorded in 1905–10

Words nearby foot-candle

foot traffic, foot valve, foot warmer, foot-and-mouth disease, foot-binding, foot-candle, foot-dragging, foot-drop, foot-in-mouth, foot-in-mouth disease, foot-lambert

Example sentences from the Web for foot-candle

  • A lumen is the quantity of light which falls on one square foot if the intensity of illumination is one foot-candle.

    Artificial Light |M. Luckiesh

British Dictionary definitions for foot-candle

foot-candle

noun

a former unit of illumination, equal to one lumen per square foot or 10.764 lux

Medical definitions for foot-candle

foot-candle

n.

A unit of measure of the intensity of light falling on a surface equal to 1 lumen per square foot. It has been replaced in the International System by the candela (1 lumen per square meter).