HomeServicesBlogDictionariesContactSpanish Course
← Back to search

Meaning of melatonin | Babel Free

Noun CEFR B2
ˌmɛləˈtəʊnɪn

Definitions

  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 and wake and reproductive cycles in mammals.
  2. Any material similar in its chemistry and effect to the natural hormone.

Equivalents

Deutsch Melatonin
Ελληνικά μελατονίνη
Español melatonina
Français mélatonine
Gaeilge meileatoinin
Italiano melatonina
日本語 メラトニン
한국어 멜라토닌
Nederlands melatonine
Polski melatonina
Русский мелатони́н
Українська мелатонін

Examples

“How exactly melatonin relates to sleep is still not understood.”
“Melatonin production can be delayed or arrested by even brief flashes of bright light entering the eye, research has shown.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

Learn this word in context

See melatonin used in real conversations inside our free language course.

Start Free Course

Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free