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serotonin

Pronunciation: /ˌsɛɹəˈtəʊnɪn/

The English word “serotonin” has 1 meaning listed here.

noun

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

Etymology

From sero- + tone + -in.

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