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

There is a dark pigment in the retina, called the visual purple, which changes color in the light, and so forms the image.

From Project Gutenberg

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

From Project Gutenberg

A light-sensitive liquid (visual purple) and cellular and fibrous layers complete the retinal structure.

From Project Gutenberg