from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. Physics lumen
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Symbol for the lumen, the SI unit of luminous flux.
- n. A Roman numeral representing nine hundred and fifty (950).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
Sorry, no etymologies found.