quinizarin
/kwɪˈnɪz(ə)rɪn/(also quinizarine) Chemistry
noun
An orange or red crystalline compound with a tricyclic molecule, isomeric with alizarin.
- Systematic name: 1,4-dihydroxyanthraquinone; C14H8O4..
Origin
Late 19th century; earliest use found in Journal of the Chemical Society. From quina + -izarin.