achromatic Hear it!

achromatic definition

achro·matic (ak′rə mat′ik, ā′krə-)

adjective

  1. colorless
  2. refracting white light without breaking it up into its component colors
  3. forming visual images whose outline is free from prismatic colors an achromatic lens
  4. Biol.
    1. staining poorly with the usual stains
    2. made of achromatin
  5. Music without accidentals; diatonic an achromatic scale

Etymology: Gr achrōmatos < a-, without + chrōma, color (see chrome) + -ic

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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