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We found 37 dictionaries with English definitions that include the word melatonin:
Click on the first link on a line below to go directly to a page where "melatonin" is defined.

General dictionaries General (24 matching dictionaries)
  1. melatonin: Merriam-Webster.com [home, info]
  2. melatonin: Oxford Dictionaries [home, info]
  3. melatonin: American Heritage Dictionary of the English Language [home, info]
  4. melatonin: Collins English Dictionary [home, info]
  5. melatonin: Vocabulary.com [home, info]
  6. melatonin: Macmillan Dictionary [home, info]
  7. Melatonin, melatonin: Wordnik [home, info]
  8. melatonin: Cambridge Advanced Learner's Dictionary [home, info]
  9. melatonin: Wiktionary [home, info]
  10. melatonin: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. melatonin: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. melatonin: Infoplease Dictionary [home, info]
  13. melatonin: Dictionary.com [home, info]
  14. melatonin: Online Etymology Dictionary [home, info]
  15. melatonin: UltraLingua English Dictionary [home, info]
  16. Melatonin (album), Melatonin: Wikipedia, the Free Encyclopedia [home, info]
  17. melatonin: Rhymezone [home, info]
  18. melatonin: Free Dictionary [home, info]
  19. melatonin: Mnemonic Dictionary [home, info]
  20. melatonin: WordNet 1.7 Vocabulary Helper [home, info]
  21. melatonin: LookWAYup Translating Dictionary/Thesaurus [home, info]
  22. melatonin: Dictionary/thesaurus [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. melatonin: Encyclopedia [home, info]

Medicine dictionaries Medicine (10 matching dictionaries)
  1. Melatonin: MedTerms.com Medical Dictionary [home, info]
  2. Melatonin: Medical Dictionary [home, info]
  3. Melatonin: Merck Manuals [home, info]
  4. melatonin: online medical dictionary [home, info]
  5. Melatonin: Hepatitis C Information Central [home, info]
  6. Melatonin: Glossary of Herbs, Botanicals and Other Products [home, info]
  7. melatonin: Dictionary of Cancer Terms [home, info]
  8. Melatonin: Sleep Terms [home, info]
  9. melatonin: Medical dictionary [home, info]
  10. Melatonin: Drug Medical Dictionary [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. melatonin: Urban Dictionary [home, info]

Sports dictionaries Sports (1 matching dictionary)
  1. Melatonin: Body Building [home, info]

(Note: See melatonins for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (melatonin)

noun:  hormone secreted by the pineal gland

▸ Also see melatonins
Word origin

Words similar to melatonin

Usage examples for melatonin

Popular adjectives describing melatonin

Words that often appear near melatonin

Rhymes of melatonin

Invented words related to melatonin

Phrases that include melatonin:   dim-light melatonin onset, receptor melatonin mt1, receptor melatonin mt2, receptors melatonin more...

Search for melatonin on Google or Wikipedia

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