Frangulic

Fran`gu´lic

a.

1.

(Chem.) Pertaining to, or drived from, frangulin, or a species (Rhamnus Frangula) of the buckthorn. Frangulinic acid (Chem.) a yellow crystalline substance, resembling alizarin, and obtained by the decomposition of frangulin.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.