Associations to the word «Serotonin»

Wiktionary

SEROTONIN, noun. (neurotransmitter) An indoleamine neurotransmitter, 5-hydroxytryptamine, that is involved in depression, appetite, etc., and is crucial in maintaining a sense of well-being, security, etc.

Dictionary definition

SEROTONIN, noun. A neurotransmitter involved in e.g. sleep and depression and memory.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats