retinoid

American  

[ret-n-oid] / ˈrɛt nˌɔɪd /

noun

1. Biochemistry. any of a group of substances related to vitamin A and functioning like vitamin A in the body.

---

adjective

1. resembling the retina.

Etymology

Origin of retinoid

First recorded in 1975–80; retin(ol) + -oid

Example Sentences

Thalidomide, a well-known teratogen in humans, and retinoid derivatives -- used in treatments against leukaemia, psoriasis, and acne -- are known to cause severe heart defects in the fetus.

From Science Daily • Nov. 28, 2023

Mixed with retinoid and oatmeal properties, this cream will reduce fine lines, wrinkles and relieve irritation from skin conditions like eczema or rashes.

From Golf Digest • Feb. 1, 2019

Both Waldorf and Jaliman directed us to Differin 0.1 percent gel as a solution for getting rid of acne, which is a prescription-strength retinoid that’s now over-the-counter.

From Slate • Aug. 1, 2018

He suggests using an anti-aging retinoid cream at night to stimulate collagen production and skin cell turnover.

From Los Angeles Times • Oct. 31, 2014

Many contain some form of retinoid, the vitamin A derivative that is available by prescription in stronger form.

From New York Times • Aug. 8, 2012