alizarin

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English[edit]

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Etymology[edit]

From French alizarine, corresponding to alizari +‎ -in.

Pronunciation[edit]

Noun[edit]

alizarin (plural alizarins)

  1. (chemistry) A substance, 1,2-dihydroxyanthraquinone, extracted from madder root and having a distinctive red colour.
    • 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.
  2. A type of red or crimson dye