Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
An indoleamine neurotransmitter, 5-hydroxytryptamine, that is involved in depression, appetite, etc., and is crucial in maintaining a sense of well-being, security, etc.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a neurotransmitter involved in e.g. sleep and depression and memory
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: 5-hydroxytryptamine
Antonyms: none provided
Broader terms: monoamine neurotransmitter
History
Etymology tree Proto-Indo-European *ser- Proto-Indo-European *sér-o-der. Proto-Italic *serom Latin serumder. English serum English sero- English tone Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ineclip. English -in English serotonin From sero- + tone + -in.
Across languages
34 source translations are retained for this English entry.
