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Pronunciation: ret'i-noyd


  1. Resembling a resin; resinous.
  2. Resembling the retina.
  3. In plural form, term used to describe the natural forms and synthetic analogues of retinol.

[G. retine, resin, + eidos, resemblance]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.