Pronunciation: ˌ sir- ə -t ə - ' n ə r-jik
Variant: also se · ro · to · nin · er · gic \ ˌ sir- ə - ˌ t ō -n ə - ' n ə r-jik \
Function: adjective
Etymology: seroton in + -ergic
Date: 1957
: liberating, activated by, or involving serotonin in the transmission of nerve impulses <a serotonergic neuron> < serotonergic pathways>