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foot-candle

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.12 sec.
foot-can·dle (ftkndl)
n. Abbr. fc or ft-c
A unit of measure of the intensity of light falling on a surface, equal to one lumen per square foot and originally defined with reference to a standardized candle burning at one foot from a given surface.
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The measurement they used in their research was the foot-candle, or the amount of light put out by one candle, one foot away.
'Light' meals improve nutrition by the footcandle by Cassell-Schwartz, Tobi / Contemporary Long Term Care
We recently conducted a research project in which the dining room provided only five foot-candles of light at the table, which is well below the 50 foot-candle recommendation.
Lighting for older eyes by Calkins, Margaret P. / Nursing Homes
The Axis DDH ballast provides a solution for these airports to lower light levels to minimum foot-candle requirements at night and to dim the fixtures during daylight hours for further energy conservation and savings.
Major Airports Evaluating Axis Ballasts by Business Wire
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