# metamelanopsin

> English word · Noun

## Definitions
1. A form of melanopsin containing the all-trans isomer of retinal

## Etymology
From meta- + melanopsin.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/metamelanopsin