Associations to the word «Retinal»

Wiktionary

RETINAL, adjective. (ophthalmology) Of or pertaining to the retina.
RETINAL, noun. (biochemistry) One of several yellow or red carotenoid pigments formed from rhodopsin by the action of light; retinene

Dictionary definition

RETINAL, noun. Either of two yellow to red retinal pigments formed from rhodopsin by the action of light.
RETINAL, adjective. In or relating to the retina of the eye; "retinal cells".

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats