— erethismic, erethistic /er'euh this"tik/ , erethitic /er'euh thit"ik/ , erethic /euh reth"ik, e reth"-/ , adj.
/er"euh thiz'euhm/ , n. Physiol.
an unusual or excessive degree of irritability or stimulation in an organ or tissue.
[ 1790-1800; éréthisme erethismós irritation, equiv. to ereth ( ízein ) to irritate + -ismos -ISM ]