Melanopsin

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A type of photopigment (an opsin) found in the retina; it is involved in the regulation of circadian rhythms

Etymology

From melano- + opsin.

Related phrases

melanopsin-containing retinal ganglion cellcircadian rhythm

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.