metasaccharinic acidWiktionary 原文英美构词拆解meta-前缀+saccharinic acid词干meta-(anatomy and zoology) Behind. [From 19th century] · (botany and zoology) Later or subsequent. [From 19th century]词源说明From meta- + saccharinic acid.释义名词noun1(organic chemistry) Any of a family of polyhydroxy carboxylic acids formed by direct dismutation of an aldose sugar.