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tretinoin

[truh-tin-oh-in] /trəˈtɪn oʊ ɪn/
noun
1.
a drug chemically related to vitamin A, used as a topical ointment to treat skin disorders, especially acne.
Origin
1960-1965
1960-65; t(ri-) + retino- (< Greek rhētī́nē resin) + -in1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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tretinoin in Medicine

tretinoin tret·i·noin (trět'n-oin')
n.
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.
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