achromatic colour
noun
physics colour, such as white, black, and grey, that is devoid of hue: See colour (def. 2)
Words Nearby achromatic colour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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