rhodopsin

R1H4O1D2O1P3S1I1N1

noun

A light-sensitive pigment in the rod cells of the retina; it consists of an opsin protein bound to the carotenoid retinal

UncommonScrabble 15

Meanings

nounrhodopsin (countable and uncountable, plural rhodopsins)

plural rhodopsins

  1. countableuncountablebiochemistryA light-sensitive pigment in the rod cells of the retina; it consists of an opsin protein bound to the carotenoid retinal

    Synonyms: visual purple

Synonyms & antonyms

nounA light-sensitive pigment in the rod cells of the retina; it consists of an opsin protein bound to the carotenoid retinal

More synonyms by meaning

nouna red photopigment in the retinal rods of vertebrates; dissociates into retinene by light

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekῥόδον“rose”
  2. Englishrhodopsin

From Ancient Greek ῥόδον (rhódon, “rose”), due to its pinkish color, and ὄψις (ópsis, “sight”).

Full word history & related roots →

Translations

French rhodopsine
  • rhodopsinea light-sensitive pigment in the rod cells of the retina
Polish rodopsyna
  • rodopsynaa light-sensitive pigment in the rod cells of the retina
Portuguese rodopsina
  • rodopsinaa light-sensitive pigment in the rod cells of the retina
Romanian rodopsină
  • rodopsinăa light-sensitive pigment in the rod cells of the retina
Spanish rodopsina
  • rodopsinaa light-sensitive pigment in the rod cells of the retina

Rhymes & wordplay

Anagrams

Cite this entry
APA

rhodopsin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/rhodopsin

MLA

“rhodopsin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rhodopsin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “rhodopsin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/rhodopsin.

Source: rhodopsin on Wiktionary, CC BY-SA 4.0.