What does luminous flux unit mean?
Sense 1luminous flux unit [BACK TO TOP] Meaning: A measure of luminous flux per unit area Classified under: Nouns denoting quantities and units of measure Hypernyms (“luminous flux unit” is a kind of…): light unit (a measure of the visible electromagnetic radiation) Hyponyms (each of the following is a kind of “luminous flux unit”): lm; lumen (a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions)