verb (used with object), a·chro·ma·tized, a·chro·ma·tiz·ing.
to make achromatic; deprive or free of color.
lighten, dim, evaporate, dissolve, vanish, dull, disappear, blanch, etiolate, blench, fade, decolorize, peroxide, decolor, neutralize, tarnish, muddy, discolor, bleach, pale
Also especially British, a·chro·ma·tise.
Origin of achromatize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(tr) to make achromatic; to remove colour from
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