Definition of pseudopurpurin
: 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
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of pseudopurpurin
International Scientific Vocabulary pseud- + purpurin
Seen and Heard
What made you want to look up pseudopurpurin? Please tell us where you read or heard it (including the quote, if possible).