| NOM | quantity | unitat de flux lluminós | a measure of luminous flux per unit area |
|---|
| Sentit | A measure of luminous flux per unit area. | |
|---|---|---|
| Específic | 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 |
| General | unitat de llum | A measure of the visible electromagnetic radiation |
| Anglès | luminous flux unit | |
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