serotonin
se·ro·to·nin
noun
1.
a neurotransmitter involved in e.g. sleep and depression and memory
Origin
From sero- + tone + -in.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.