| NOM | quantity | 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 |
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| Sentit | 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. | |
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| Sinònim | lm | |
| General | unitat de flux lluminós | A measure of luminous flux per unit area |
| Anglès | lumen, lm | |
| Espanyol | lm, lumen | |
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