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Meaning of anthraquinone

an•thra•qui•none

Pronunciation: (an"thru-kwu-nōn', -kwē'nōn, -kwin'ōn), [key]
— n. Chem.
  1. a yellow, water-insoluble, crystalline powder, CHO, usually derived from anthracene or phthalic anhydride: used chiefly in the manufacture of anthraquinone dyes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.