noun
or pheno·cain ˈfēnəˌkān, ˈfen-
( -s )
Etymology: phenacaine probably from phen etidine + a cet- + caine; phenocain probably irregular from phen- + -caine
: a crystalline base C 18 H 22 N 2 O 2 or its hydrochloride used chiefly for producing local anesthesia in the eye