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serotonin — meaning in English

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English meaning

  • serotonin noun A brain chemical that helps regulate mood, appetite, and feelings of well-being.

Senses

serotonin is used for these senses in English:

  • serotonin (neurotransmitter) An indoleamine neurotransmitter, 5-hydroxytryptamine, that is involved in depression, appetite, etc., and is crucial in maintaining a sense of well-being, security, etc.