retinal

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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]

For further exploring for "retinal" in Webster Dictionary Online

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