orthochromatic Hear it!

orthochromatic definition

ortho·chro·matic (-krō mat′ik)

adjective

designating or of photographic film that is sensitive to all colors except red and deep orange

Etymology: ortho- + chromatic

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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