Reference meaning
lm
Last updated
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
Related source terms
lumen
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 13641299-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.