pyrocoll
Pyr"o*coll, n. Etym: [Puro- + Gr. (Chem.) Defn: A yellow crystalline substance allied to pyrrol, obtained by the distillation of gelatin.
Pyr"o*coll, n. Etym: [Puro- + Gr. (Chem.) Defn: A yellow crystalline substance allied to pyrrol, obtained by the distillation of gelatin.