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EtymologyEdit

Borrowed from French alizarine, corresponding to alizari +‎ -in.

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NounEdit

alizarin (countable and uncountable, plural alizarins)

  1. (organic chemistry) A red substance, 1,2-dihydroxyanthraquinone, extracted from madder root and used as a dye.
    • 2010, Siddhartha Mukherjee, The Emperor of all Maladies, Fourth Estate 2011, p. 82:
      In 1883, the German output of alizarin, the brilliant red chemical that imitated natural carmine, reached twelve thousand tons, dwarfing the amount being produced by Perkin's factory in London.

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