Definition of visual purple in English:

visual purple

Line breaks: vis¦ual pur¦ple

noun

[mass noun]
A purplish-red light-sensitive pigment present in the retinas of humans and many other animal groups.
More example sentences
  • In 1877, Boll and Kuhne independently published their classical studies on visual purple, the photoreceptor pigment of rods, and established that it was involved in the detection of light.
  • The photoreceptor of rod cells is specifically called rhodopsin or visual purple.
  • It is the reddish purple color of retinal that gives rhodopsin its former name visual purple.

Definition of visual purple in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day hypnopompic
Pronunciation: ˌhipnəˈpämpik
adjective
relating to the state immediately preceding waking up...