Definition of Melatonin in English :
Define Melatonin in English
Melatonin meaning in English
Meaning of Melatonin in English
Pronunciation of Melatonin in English
Melatonin pronunciation in English
Pronounce Melatonin in English
Melatonin
see synonyms of melatoninNoun
1. melatonin
hormone secreted by the pineal gland
WordNet Lexical Database for English. Princeton University. 2010.
Melatonin
see synonyms of melatoninnoun
the hormone-like secretion of the pineal gland, causing skin colour changes in some animals and thought to be involved in reproductive function
Collins English Dictionary. Copyright © HarperCollins Publishers
Melatonin
see synonyms of melatonin noun
a hormone, C13H16N2O2, produced by the pineal body, that lightens skin pigmentation, inhibits estrus, etc.: its secretion is inhibited by sunlight
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
Melatonin
see synonyms of melatoninn.
An animal hormone, C13H16N2O2, derived from serotonin and produced by the pineal gland. It stimulates color change in the skin of amphibians and reptiles and plays a role in regulating circadian rhythms and reproductive cycles in mammals. It is also found in plants and fungi.
The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.