footcandle | ||
1. | [ noun ] (physics) a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle | |
Related terms: | illumination_unit | |
footcandle | ||
1. | [ noun ] (physics) a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle | |
Related terms: | illumination_unit | |