retinal Hear it!

retinal definition

reti·nal (ret′'n əl)

adjective

of or related to a retina

noun

  1. a yellowish carotenoid, CHO, liberated when rhodopsin or iodopsin is transformed by the action of light
  2. a similar carotenoid, CHO, formed by the action of light on porphyropsin

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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