ˈbyüd.əˌkān, ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ noun
( -s )
Etymology: buta ne + -caine (as in cocaine )
: a local anesthetic NH 2 C 6 H 4 COO(CH 2 ) 3 NH(C 4 H 9 ) 2 that is an ester of para- aminobenzoic acid and is applied in the form of its white crystalline sulfate to mucous membranes