Convolvulin

1 definition found

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

  Convolvulin \Con*vol"vu*lin\, n. (Chem.)
     A glucoside occurring in jalap (the root of a convolvulaceous
     plant), and extracted as a colorless, tasteless, gummy mass
     of powerful purgative properties.
     [1913 Webster]