pseudopurpurin

noun

pseu·​do·​purpurin

"+

: a red crystalline compound C₁₄H₄O₂(OH)₃COOH obtained from madder root and also made synthetically that decomposes in boiling water into purpurin and carbon dioxide and whose alumina lake is a fine red pigment; purpurin-carboxylic acid

Word History

Etymology

International Scientific Vocabulary pseud- + purpurin

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