01 n. A colorless crystalline substance, regarded as a glucoside, and found in the bark of the ash (Fraxinus), and along with esculin in the bark…
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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.(Chem.) Also: paviin