melatonin

See also: Melatonin

English

Etymology

Blend of melanin +‎ serotonin.

Pronunciation

• IPA^(key): /ˌmɛləˈtoʊnɪn/

• Audio:

  (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

hormone

• Armenian: մելատոնին (hy) (melatonin)
• Azerbaijani: melatonin
• Belarusian: мелатані́н m (mjelatanín)
• Catalan: melatonina f
• Chinese:

  Mandarin: 褪黑素 (tuìhēisù)

• Danish: melatonin c
• Dutch: melatonine (nl)
• Finnish: melatoniini (fi)
• French: mélatonine (fr) f
• Georgian: მელატონინი (melaṭonini)
• German: Melatonin (de) n
• Greek: μελατονίνη (el) f (melatoníni)
• Hungarian: melatonin (hu)
• Irish: meileatoinin f
• Italian: melatonina (it) f
• Japanese: メラトニン (ja) (meratonin)
• Korean: 멜라토닌 (mellatonin)
• Latvian: melatonīns m
• Odia: ମେଲାଟୋନିନ (melāṭonina)
• Persian: ملاتونین
• Polish: melatonina (pl) f
• Russian: мелатони́н (ru) m (melatonín)
• Spanish: melatonina f
• Swedish: melatonin (sv) n
• Tamil: மெலட்டோனின் (melaṭṭōṉiṉ)
• Thai: เมลาโทนิน
• Turkish: melatonin
• Ukrainian: мелатоні́н m (melatonín)
• Welsh: melatonin m

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