melatonin

Fetched 2026-10-26 (cache).

Synonyms: melanin, melatonins, seratonin

Antonyms: melanin, melatonins, seratonin

Related words from Datamuse; suggestions, not definitions.

Noun

1. A [[hormone]], related to [[serotonin]], that is [[secreted]] by the [[pineal gland]], and [[stimulate]]s [[colour]] [[change]] in the [[skin]] of [[reptile]]s, and is [[involved]] in the [[sleep]] and [[wake]] and [[reproductive]] [[cycle]]s in [[mammal]]s.
2. Any material similar in its chemistry and effect to the natural hormone.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.