[ truh-tin-oh-in ]
/ trəˈtɪn oʊ ɪn /
a drug chemically related to vitamin A, used as a topical ointment to treat skin disorders, especially acne.
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Words nearby tretinoin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for tretinoin
[ trĕt′n-oin′ ]
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.