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tretinoin

[truh-tin-oh-in]
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noun
  1. a drug chemically related to vitamin A, used as a topical ointment to treat skin disorders, especially acne.

Origin of tretinoin

1960–65; t(ri-) + retino- (< Greek rhētī́nē resin) + -in1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
tretinoin in Medicine

tretinoin

(trĕtn-oin′)
n.
  1. An isomer of retinoic acid, used in the treatment of acne.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.