noun[mass noun] Chemistry
A yellow crystalline compound obtained by oxidation of anthracene. It is the basis of many natural and synthetic dyes.
- Chemical formula: C14H8O2.
- The new algicide, the subject of a patent application, uses a product derivative based on the natural compound anthraquinone, found in rye grass.
- The preparation of anthraquinone used in the National Toxicology Program cancer bioassay was contaminated with the mutagen 9-nitroanthracene
- The appearance of such photochemical by-products as dianthracene and anthraquinone was monitored throughout the irradiation experiments.
Late 19th century: from anthra(cene) + quinone.
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