Search Result for "achromaticity": 
Wordnet 3.0

NOUN (1)

1. the visual property of being without chromatic color;
[syn: colorlessness, colourlessness, achromatism, achromaticity]


The Collaborative International Dictionary of English v.0.48:

Achromaticity \Ach`ro*ma*tic"i*ty\, n. Achromatism. [1913 Webster]
WordNet (r) 3.0 (2006):

achromaticity n 1: the visual property of being without chromatic color [syn: colorlessness, colourlessness, achromatism, achromaticity] [ant: color, coloring, colour, colouring]