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opaque
perishable
shan
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strong
ad hoc
in spite of
acicula
worthy
keenly
four
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serotonin
serotonin
/sɝəˈtoʊnɪn/
noun
A neurotransmitter involved in e.g. sleep and depression and memory
(
5-hydroxytryptamine
,
serotonin
)
a neurotransmitter involved in e.g. sleep and depression and memory
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