from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The condition of being luminous
from the GNU version of the Collaborative International Dictionary of English
- n. the quality of being luminous; emitting or reflecting light.
from The Century Dictionary and Cyclopedia
- n. The quality of being luminous, in any sense; brightness; clearness.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the quality of being luminous; emitting or reflecting light
luminous + -ness (Wiktionary)