A bitter yellow substancc obtained by dissolving heinatin in dilute nitric acid.
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XYLAN
A furfuroid occurring abundantly in straw and manure; when hydrolyzed to xylose it furnishes the most natural and favorable carbohydrate food for denitrifying organisms.
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XYLOCHLORAL
A crystalline compound of xylose and chlora., prej>ared by heating with hydrochloric acid; soluble m water, melts at 132
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XANTHOLEIN
A yellow coloring-matter obtained from the bark or outer part of Sorghum vul gare, Pers. Cf. Purpurolein.
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XANTHINE
A white amorphous substance nearly allied Lo uric acid, from which it is obtainable by processes of reduction.
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XYLENOLS
C6H3,OHPhenolic compounds of high boilingpoint of which some six modifications are known, forming part of the constituents of socalled “phenoloids” from blast furnaces. One of the xylenols is said to be a white, crystalline substance, soluble in water and alcohol.
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Definitions provided by Princeton University and the WordNet® lexical database.