luminous intensity

noun

Optics.

1. the luminous flux in lumens emitted per unit solid angle by a light source, measured in candles.

luminous intensity

noun

1. Iv. a measure of the amount of light that a point source radiates in a given direction. It is expressed by the luminous flux leaving the source in that direction per unit of solid angle

luminous intensity

1. The luminous flux per unit solid angle (per steradian), as measured in a given direction relative to a light source. Its unit is the candela.

2. See also luminance