n.
Pronunciation: ˌ tr ī - ˌ flü- ō - ' per- ə - ˌ z ē n, -z ə n
Function: noun
Etymology: tri- + fluo r- + pi perazine
Date: circa 1957
: a phenothiazine tranquilizer C 21 H 24 F 3 N 3 S chiefly used to treat psychotic conditions and especially schizophrenia