/yooh"jeuh nawl', -nohl'/ , n. Chem., Pharm.
a colorless, oily, spicy, aromatic, very slightly water-soluble liquid, C 10 H 12 O 2 , extracted from certain essential oils, as oil of cloves: used chiefly in perfumery and in dentistry as an antiseptic. Also called eugenic acid .
[ 1885-90; Eugen ( ia ) name of genus of trees (after Prince EUGÈNE of Savoy; see -IA) + -OL 2 ]