DICTIONARY ENTRY
4 SYLLABLES
serotonin
/,sɛrə'toʊnɪn/ · sɛrətoʊnɪn
Serotonin has 4 syllables: ser · o · to · nin.
ser
01
o
02
to
03
nin
04
noun. A neurotransmitter involved in e.g. sleep and depression and memory.
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