from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See illumination.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The luminous flux incident on unit area of a surface; measured in lux or lumens
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the luminous flux incident on a unit area
Sorry, no etymologies found.