See Also: purpurin(medicine)
purpurin(dictionary)
alizarin purpurin(medicine)
purpurin (iou)
purpurin noun. M19.
[from Latin purpura (see PURPLE adjective & noun) + -IN1.]
Chemistry. A red dye orig. extracted from madder and also prepared artificially by the oxidation of alizarin; 1,2,4-trihydroxyanthraquinone, C14H8O5.
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