English dictionary
fraxin
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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A colorless crystalline substance, regarded as a glucoside, and found in the bark of the ash (<i>Fraxinus</i>) and along with esculin in the bark of the horse-chestnut. It shows a delicate fluorescence in alkaline solutions; -- called also <i>paviin</i>.
Source: webster1913