单词	tetracaine
释义	tetracaine noun tet·​ra·​caine ˈte-trə-ˌkān  : a crystalline basic ester C15H24N2O2 that is closely related chemically to procaine and is used chiefly in the form of its hydrochloride as a local anesthetic Word History Etymology tetra- + -caine First Known Use circa 1935, in the meaning defined above Medical Definition tetracaine noun tet·​ra·​caine ˈte-trə-ˌkān  : a crystalline basic ester that is closely related chemically to procaine and is used chiefly in the form of its hydrochloride C15H24N2O2·HCl as a local anesthetic called also amethocaine, pantocaine see pontocaine
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