from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The state or quality of being achromatic.
from the GNU version of the Collaborative International Dictionary of English
- n. Achromatism.
from The Century Dictionary and Cyclopedia
- n. The state or quality of being achromatic; achromatism. See equation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the visual property of being without chromatic color
achromatic + -ity (Wiktionary)