photopsin

P3H4O1T1O1P3S1I1N1

noun

Any of a class of photoreceptor proteins present in the cones of the retina.

Scrabble 16
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Meanings

nounphotopsin (plural photopsins)

plural photopsins

  1. biochemistryAny of a class of photoreceptor proteins present in the cones of the retina.

Origin

From photo- + opsin.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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