Pronunciation: ( ˌ )p ə r- ' f ē -n ə - ˌ z ē n, - ' fe-
Function: noun
Etymology: blend of piperazine and phen-
Date: 1957
: a phenothiazine tranquilizer C 21 H 26 ClN 3 OS that is used especially to control psychotic symptoms (as anxiety and agitation)