fraxin Meaning, Definition & Usage

Frax"in noun

Etymology

From Fraxinus.

Definitions

1. (Chem.) 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.