Meaning of IODOPSIN in English

IODOPSIN

[io.dop.sin] n [iod- (fr. Gk ioeides violet colored) + Gk opsis sight, vision + E -in--more at optic] (1938): a photosensitive violet pigment in the retinal cones that is similar to rhodopsin but more labile, is formed from vitamin A, and is important in daylight vision

Merriam-Webster English vocab.      Английский словарь Merriam Webster.