from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To rid of color; render achromatic.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To deprive of colour; to make achromatic.
  • v. To remove chromatic aberration from an optical system

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To deprive of color; to make achromatic.

from The Century Dictionary and Cyclopedia

  • To render achromatic; deprive of color, or of the power of transmitting colored light. Also spelled achromatise.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. remove color from


From Ancient Greek ἀ- (a-, "not") + χρῶμα (khrōma, "colour") (Wiktionary)


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.