: 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


International Scientific Vocabulary pseud- + purpurin

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Dictionary Entries Near pseudopurpurin

Cite this Entry

“Pseudopurpurin.” Dictionary, Merriam-Webster, Accessed 24 May. 2024.

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