释义 |
bu·ta·caine \ˈbyüd.əˌkān, ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷\ noun (-s) Etymology: butane + -caine (as in cocaine) : a local anesthetic NH2C6H4COO(CH2)3NH(C4H9)2 that is an ester of para-aminobenzoic acid and is applied in the form of its white crystalline sulfate to mucous membranes |