visual purple

noun

Biochemistry.

1. rhodopsin.

visual purple

noun

1. another name for rhodopsin

Word History and Origins

Origin of visual purple¹

First recorded in 1895–1900

Example Sentences

In the outer part of the rods the visual purple or rhodopsin is found.

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Is the visual purple more active in monocular than in binocular vision, or what physiological activity is thereby taxed in increased degree?

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It only takes three or four quanta to stimulate the visual purple—a little more actually because of absorption by the eyeball itself.

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