The Collaborative International Dictionary
achromatise
achromatise \achromatise\ v. 1. remove color from.
Syn: achromatize, make achromatic
achromatise
Achromatize \A*chro"ma*tize\, v. t. [imp. & p. p. Achromatized; p. pr. & vb. n. Achromatizing.] [Gr. 'a priv. + ? color.] To deprive of color; to make achromatic. [Also spelled achromatise.]
Wiktionary
achromatise
vb. (standard spelling of from=Non-Oxford British spelling lang=en achromatize)
WordNet
achromatise
v. remove color from; "achromatize the lenses" [syn: achromatize]