retinal

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WORDNET DICTIONARY

Noun retinal has 1 sense

retinal(n = noun.substance) retinene - either of two yellow to red retinal pigments formed from rhodopsin by the action of light;

is a kind of pigment

Derived form adjective retinal₁

Adjective retinal has 1 sense

retinal(a = adj.pert) - in or relating to the retina of the eye; "retinal cells"

Derived forms noun

retina₁

noun

retinal₁

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CIDE DICTIONARY

retinal, a.

Of or pertaining to the retina. [1913 Webster]

Retinal purple (Physiol. Chem.), the visual purple.

retinal, n.

A retinoid compound (C20H28O), closely related to vitamin A, which is a component of the visual pigments in the eye. It is also called retinaldehyde and vitamin A aldehyde. [PJC]