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POLISH · A WORD WITH POSSIBILITIES

melatonina.

melatonin (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)

10 characters5 syllables approx.Polski language

Meaning & usage

noun/mɛ.la.tɔˈɲi.na/
  1. melatonin (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)

    feminine
Where this word comes from

Internationalism; compare English melatonin, French mélatonine, German Melatonin.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.