The Collaborative International Dictionary
Polygalic
Polygalic \Po*lyg"a*lic\, a. (Chem.) Of, pertaining to, or obtained from, Polygala; specifically, designating an acrid glucoside (called polygalic acid, senegin, etc.), resembling, or possibly identical with, saponin.
Wiktionary
polygalic
a. (context chemistry English) Of, pertaining to, or obtained from Polygala; specifically, designating an acrid glucoside (called polygalic acid, senegin, etc.), resembling, or possibly identical with, saponin.