Category:Fraxin

Frax"in, n. Etym: [From Fraxinus.] (Chem.)

Defn: A colorless crystalline substance, regarded as a glucoside, and found in the bark of the ash (Fraxinus) and along with esculin in the bark of the horse-chestnut. It shows a delicate fluorescence in alkaline solutions; -- called also paviin.