How to pronounce“melatonin”in English
IPA/ˌmɛləˈtoʊnɪn/
Syllablesme·la·to·nin
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All Video Occurrences for “melatonin” (50)
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Definitions of “melatonin”
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noun
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.
“How exactly melatonin relates to sleep is still not understood.”
noun
Any material similar in its chemistry and effect to the natural hormone.