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
My living room has one of those 'light tree'-type floor lamps, and I was thinking of putting a couple of gels into its top two light fixtures, to combat the painful achromaticity of the room.
More information: A biological quarter-wave retarder with excellent achromaticity in the visible wavelength region by NW Roberts, T-H Chiou, NJ Marshall and TW Cronin.