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单词 ruberythric
释义 ruberythric, a. Chem.|ruːbəˈrɪθrɪk|
[f. L. rubia madder + erythric a.]
ruberythric acid, a yellow, crystalline compound contained in madder-root.
1857Miller Elem. Chem., Org. viii. 521 Rochleder's Ruberythric Acid was obtained in crystals from an infusion of madder.1879Roscoe Elem. Chem. xxxviii. 354 Alizarin, the colouring principle of madder, is contained in the root as a glucoside (called ruberythric acid).
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