retinoid

retinoid · adjective¹

1. Ancient Greek · derived fromῥητίνη“resin”
2. English todayretinoid

From Ancient Greek ῥητίνη (rhētínē, “resin”) + -oid.

retinoid · noun²

From retin(ol) + -oid.

Words from the same roots

First known use, by meaning

• 19th c. Pertaining to or resembling a resin.
• from 20th c. Any of a class of compounds whose structure or effects on the body resemble retinol (vitamin A).