0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Radiant power, in a given direction, per unit solid angle per unit of projected area of the source, as viewed from the given direction. Note: Radiance is usually expressed in watts per steradian per square meter. (188)