01 n. The bitter, purgative principle of senna. It is a glucoside with the properties of a weak acid; -- called also cathartic acid, and cathartina.
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1.
The bitter, purgative principle of senna. It is a glucoside with the properties of a weak acid; -- called also cathartic acid, and cathartina.(Chem.) Also: cathartic acid, cathartina