purple of Cassius

[kash-uh s, kash-ee-uh s, kah-see-uh s]
noun
  1. a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.

Origin of purple of Cassius

1830–40; named after A. Cassius, 17th-century German physician
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018