melatonin

See also: Melatonin

English

Etymology

Blend of melanin +‎ serotonin.

Pronunciation

  • IPA(key): /ˌmɛləˈtoʊnɪn/
  • Audio:(file)
  • Audio (General American):(file)

Noun

melatonin (usually uncountable, plural melatonins)

  1. A hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep/wake and reproductive cycles in mammals.
    • 2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 310:
      How exactly melatonin relates to sleep is still not understood.
  2. Any material similar in its chemistry and effect to the natural hormone.

Translations

Danish

Etymology

Borrowed from English melatonin.

Noun

melatonin c (singular definite melatoninen, not used in plural form)

  1. melatonin

Declension

Declension of melatonin
common
gender 		singular
indefinite definite
nominative melatonin melatoninen
genitive melatonins melatoninens
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