butacaine

noun
bu·​ta·​caine | \ ˈbyüt-ə-ˌkān, ˌbyüt-ə-ˈ How to pronounce butacaine (audio) \

Medical Definition of butacaine

: a local anesthetic that is an ester of para-aminobenzoic acid and is applied in the form of its white crystalline sulfate (C18H30N2O2)2·H2SO4 to mucous membranes

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