Definition of alizarin in English:

alizarin

noun

Chemistry
  • 1A red pigment present in madder root, used in dyeing.

    • ‘Red lakes made from synthetic alizarin became common alongside the lakes derived from natural madder dyes.’
    • ‘These strokes are variations on translucent greenish blue, articulated at various points by splashes of orange, magenta and alizarin.’
    • ‘The synthesis of alizarin stands as a landmark in molecule making for two reasons.’
    • ‘Kiyomizu, a bright alizarin, is youthful, sanguine and lusty.’
    • ‘Indigo is now derived from naphthalene, and anthracene yields alizarin, the dye formerly obtained from madder root.’
    1. 1.1[as modifier] Denoting dyes derived from or similar to alizarin.
      ‘alizarin crimson’
      • ‘The presence of alizarin dye and red lakes in the Raes and radiocarbon samples indicates that the color has been manipulated.’
      • ‘The left side of this work is mysterious, with black marks floating on a field of alizarin crimson.’
      • ‘These works combined several shades of white paint in built-up layers of greasy petal-like strokes that were punctuated with dots of ultramarine or alizarin crimson.’
      • ‘He noted a strong association of this vascular phenomenon with tumor necrosis and showed it to be negative for calcium with von Kossa's and alizarin red methods.’
      • ‘His palette drew from nature: heavy, dense ochers, browns, taupes and alizarin crimson.’

Origin

Mid 19th century: from French alizarine, from alizari madder from Arabic al-῾iṣāra pressed juice from ῾aṣara to press fruit.

Pronunciation:

alizarin

/əˈlizərən/