cathartin /kә'θɑ:tin/ 📖 中文释义 苦味泻素 📘 English Definition(英文释义) n. The bitter, purgative principle of senna. It is aglucoside with the properties of a weak acid; -- called also catharticacid, and cathartina. ← Cathartidae C 字母词表 Cathartocarpus fistula Persoon →