purpurin Syllabification: (pur·pu·rin)Pronunciation: /ˈpərpyərin/Definition of purpurin noun Chemistry a red dye originally extracted from madder and also prepared artificially by the oxidation of alizarin. An anthraquinone derivative; chemical formula: C14H8O5 Origin: mid 19th century: from Latin purpura 'purple' + -in1purpurin in other Oxford dictionaries Definition of purpurin in the British & World English dictionary
