Colocynthin

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Colocynthin \Col`o*cyn"thin\, n. [Cf. F. colocynthine.] (Chem.)
     The active medicinal principle of colocynth; a bitter,
     yellow, crystalline substance, regarded as a glucoside.
     [1913 Webster]