单词 -oic 释义 -oicending of the names of organic acids containing a carboxyl group, esp. in place of a methyl group. [App. first used in caproic a.]1971Nomencl. Org. Chem. (I.U.P.A.C.) (ed. 2) C. 182 Carboxyl groups COOH replacing CH3 at the end of the...