a purplish, photosensitive protein pigment that is essential for vision in dim light, found in the rods of the retina
Origin of rhodopsinfrom Classical Greek rhodon, a rose (see Rhoda) + opsis, sight (see -opsis) + -in
Any of a class of reddish, light-sensitive pigments found in the retinal rods of the eyes of terrestrial and marine vertebrates, consisting of opsin and retinal. Also called visual purple .
Origin of rhodopsinrhod(o)- Greek opsis sight ; see -opsis . -in
(countable and uncountable, plural rhodopsins)
From Ancient Greek á¿¥ÏŒÎ´Î¿Î½ (rhodon, “rose"), due to its pinkish color, and á½„ÏˆÎ¹Ï‚ (opsis, “sight").