Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun lm

1 sense of lm

Sense 1
lumen, lm -- (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)
       => luminous flux unit -- (a measure of luminous flux per unit area)