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phthalocyanine blue

American  

noun

  1. a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.


Etymology

Origin of phthalocyanine blue

First recorded in 1945–50

Example Sentences

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He demonstrated with a sample of phthalocyanine blue, a synthetic pigment he picked out of a box that held paint cakes of different colours.

From The Guardian Jun. 15, 2018

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