n. a chemical substance obtainable as a white crystalline ester (H2N.C6H4.CO.O.C2H5) used as a local anesthetic. Chemically, it is 4-aminobenzoic acid ethyl ester. Syn. -- ethyl p-aminobenzoate. [ WordNet 1.5 ]
n. a white crystalline ester (C18H30N2O2) that is applied to mucous membranes as a topical anesthetic. Chemically it is 3-(di-n-butylamino)-1-propanol 4-aminobenzoate (H2N.C6H4.CO.O.(CH2)3N(C4H9)2). It is usually used as the sulfate salt. Syn. -- butacaine sulfate. [ WordNet 1.5 +PJC ]
n. (Chem.) A powerful narcotic alkaloid, C17H21NO4, obtained from the leaves of coca. It is a bitter, white, crystalline substance, and is remarkable for producing local insensibility to pain. It is classified as addictive and is not available in the U. S. without a prescription, but is nevertheless one of the most widespread illegal drugs of abuse. It is used in several forms, including small pellets of free base, called crack. Most of the cacaine illegally used in the U.S. is imported. [ 1913 Webster +PJC ]