Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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noun
A type of photopigment (an opsin) found in the retina; it is involved in the regulation of circadian rhythms
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *melh2- Proto-Indo-European *mélh2ns Proto-Hellenic *mélās Ancient Greek μέλᾱς (mélās)der. English melano- English opsin English melanopsin From melano- + opsin.
Across languages
4 source translations are retained for this English entry.
