How to Pronounce Melatonin

To pronounce "melatonin", say MEL-at-on-in — 4 syllables, IPA /ˌmɛləˈtoʊnɪn/. Tap play below to hear it in four English accents, or practice it syllable by syllable.

melatonin

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Accent

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4

Syllables

9

Letters

/ˌmɛləˈtoʊnɪn/

IPA

💡 Tip for remembering “melatonin”

"melatonin" has 4 syllables: mel-at-on-in. It rhymes with xoanon and serotonin, if that helps it stick.

What does melatonin mean?

noun

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

Hear “melatonin” in real sentences

Real example sentences from Tatoeba (CC-BY) — tap to hear each one, or see it used on YouGlish.

Words that rhyme with melatonin

Practicing rhymes trains the same ending sounds.

xoanonserotoninphone-inkronenahonenseratonin

Related words

neurohormoneintermedinnormelatoninafamelanotidetasimelteonmelatonergicmelastatinemexamine

Frequently asked questions

How many syllables are in "melatonin"?▾

"Melatonin" has 4 syllables: mel · at · on · in.

What is the IPA transcription of "melatonin"?▾

The IPA transcription of "melatonin" is /ˌmɛləˈtoʊnɪn/.

What does "melatonin" mean?▾

Melatonin: 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

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