achromatic colour

achromatic colour

n

(General Physics) physics colour, such as white, black, and grey, that is devoid of hue. See colour²

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Thesaurus

Noun

1.

achromatic colour - a color lacking hue; white or grey or black achromatic color color, coloring, colouring, colour - a visual attribute of things that results from the light they emit or transmit or reflect; "a white color is made up of many different wavelengths of light" black, blackness, inkiness - the quality or state of the achromatic color of least lightness (bearing the least resemblance to white) whiteness, white - the quality or state of the achromatic color of greatest lightness (bearing the least resemblance to black) gray, grayness, greyness, grey - a neutral achromatic color midway between white and black

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