Library / English Dictionary |
VISUAL PURPLE
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
A red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
Synonyms:
retinal purple; rhodopsin; visual purple
Classified under:
Hypernyms ("visual purple" is a kind of...):
photopigment (a special pigment found in the rods and cones of the retina)
Meronyms (substance of "visual purple"):
opsin (retinal protein formed by the action of light on rhodopsin)
retinal; retinene (either of two yellow to red retinal pigments formed from rhodopsin by the action of light)
Holonyms ("visual purple" is a part of...):
retinal rod; rod; rod cell (a visual receptor cell that is sensitive to dim light)