retinoidn.

Brit.

/ˈrɛtᵻnɔɪd/, U.S.

/ˈrɛtnˌɔɪd/

Origin: Formed within English, by derivation. Etymons: retinol n.², -oid suffix.

Etymology: < retin- (in retinol n.²) + -oid suffix.

Biochemistry.

Any of a class of natural and synthetic substances whose structure and effects in the body closely resemble those of retinol (vitamin A₁).

ΚΠ

1976 M. B. Sporn et al. in Federation Proc. (Federation Amer. Soc. Exper. Biol.) 35 1332/1 Natural forms of vitamin A and synthetic analogs of vitamin A; this entire set of molecules, both natural and synthetic, we shall call retinoids, in a manner analogous to the naming of carotenoids or steroids.

1996 New Scientist 16 Mar. 19/2 Vitamin A and retinoids are used by the sensory cells covering the retina to manufacture the light-sensitive pigments upon which vision depends.

2005 N.Y. Times (National ed.) 22 Dec. e3/1 Their battlefield is the human skin. Their weapons include..retinoids, vasodilators, hyaluronic acid..and an arsenal of peptides.

This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022).

† retinoidadj.

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ῥητίνη , -oid suffix.

Etymology: < ancient Greek ῥητίνη resin (see retinite n.) + -oid suffix.

Obsolete. rare.

Resembling a resin; resinous.

ΚΠ

1841 N. Webster Amer. Dict. Eng. Lang. II. 480/2 Retinoid, resin-like, or resiniform; resembling a resin without being such.

1857 W. Tully Materia Medica I. i. 358 There is said to remain, a brown retinoid substance, perhaps a true and proper resin composed of H. C. + O.

This entry has been updated (OED Third Edition, March 2010; most recently modified version published online September 2020).

单词	retinoid
释义	retinoidn. Brit. /ˈrɛtᵻnɔɪd/, U.S. /ˈrɛtnˌɔɪd/ Origin: Formed within English, by derivation. Etymons: retinol n.², -oid suffix. Etymology: < retin- (in retinol n.²) + -oid suffix. Biochemistry. Any of a class of natural and synthetic substances whose structure and effects in the body closely resemble those of retinol (vitamin A₁). ΚΠ 1976 M. B. Sporn et al. in Federation Proc. (Federation Amer. Soc. Exper. Biol.) 35 1332/1 Natural forms of vitamin A and synthetic analogs of vitamin A; this entire set of molecules, both natural and synthetic, we shall call retinoids, in a manner analogous to the naming of carotenoids or steroids. 1996 New Scientist 16 Mar. 19/2 Vitamin A and retinoids are used by the sensory cells covering the retina to manufacture the light-sensitive pigments upon which vision depends. 2005 N.Y. Times (National ed.) 22 Dec. e3/1 Their battlefield is the human skin. Their weapons include..retinoids, vasodilators, hyaluronic acid..and an arsenal of peptides. This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022). † retinoidadj. Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ῥητίνη , -oid suffix. Etymology: < ancient Greek ῥητίνη resin (see retinite n.) + -oid suffix. Obsolete. rare. Resembling a resin; resinous. ΚΠ 1841 N. Webster Amer. Dict. Eng. Lang. II. 480/2 Retinoid, resin-like, or resiniform; resembling a resin without being such. 1857 W. Tully Materia Medica I. i. 358 There is said to remain, a brown retinoid substance, perhaps a true and proper resin composed of H. C. + O. This entry has been updated (OED Third Edition, March 2010; most recently modified version published online September 2020). < n.1976adj.1841
随便看	fructify fructifying fructiparous fructist fructive fructivorous fructolyses fructolysis fructosan fructose fructoses fructster fructuage fructual fructuaries fructuary fructuary stipulation fructuate fructuated fructuation fructule fructuose fructuosity fructuous fructuously