We found 36 dictionaries that define the word
melatonin:
General (21 matching dictionaries)
- melatonin: Longman Dictionary of Contemporary English
- melatonin: Merriam-Webster
- melatonin: Oxford Learner's Dictionaries
- melatonin: American Heritage Dictionary of the English Language
- melatonin: Collins English Dictionary
- Melatonin, melatonin: Wordnik
- melatonin: Cambridge Advanced Learner's Dictionary
- melatonin: Wiktionary
- melatonin: Webster's New World College Dictionary, 4th Ed.
- melatonin: The Wordsmyth English Dictionary-Thesaurus
- melatonin: Infoplease Dictionary
- melatonin: Dictionary.com
- melatonin: Online Etymology Dictionary
- Melatonin (album), Melatonin: Wikipedia, the Free Encyclopedia
- melatonin: Rhymezone
- melatonin: FreeDictionary.org
- melatonin: Mnemonic Dictionary
- melatonin: TheFreeDictionary.com
- melatonin: Vocabulary.com
Computing (1 matching dictionary)
- melatonin: Encyclopedia
Medicine (12 matching dictionaries)
- melatonin: Merriam-Webster Medical Dictionary
- Dorland's Illustrated Medical Dictionary (No longer online)
- Melatonin: MedTerms.com Medical Dictionary
- Medical Dictionary (No longer online)
- Melatonin: Merck Manuals
- online medical dictionary (No longer online)
- Hepatitis C Information Central (No longer online)
- Melatonin: Glossary of Herbs, Botanicals and Other Products
- melatonin: Dictionary of Cancer Terms
- Sleep Terms (No longer online)
- melatonin: Medical dictionary
- Melatonin: Drug Medical Dictionary
Slang (1 matching dictionary)
- melatonin: Urban Dictionary
Sports (1 matching dictionary)
- Melatonin: Body Building
(Note: See
melatonins as well.)
▸ 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/wake and reproductive cycles in mammals.
▸ noun: Any material similar in its chemistry and effect to the natural hormone.
intermedin,
normelatonin,
afamelanotide,
tasimelteon,
melatonergic,
melastatine,
mexamine,
ramelteon,
methoprene,
tryptophol,
more...
pineal,
exogenous,
nocturnal,
endogenous,
more,
oral,
urinary,
human,
less,
supplemental,
low
▸ Word origin
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▸ Rhymes of melatonin
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