- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
excellence
-
5-hydroxy-3-methylglutaryl-coenzyme a reductase
-
synonym
-
hound
-
tumbler
-
pitching
-
acrocarpus fraxinifolius
-
confederate states of america
-
ashram
-
refining
- Hide translation
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