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TAKE THE QUIZ“purple of”
The following 2 entries include the term purple of.
purple of Cassius
: a purple pigment prepared usually by precipitation from solutions of gold chloride and stannous chloride, consisting of colloidal gold and stannic oxide, and used chiefly in coloring ceramic glazes and ruby glass and in a very delicate test for gold
purple of the ancients
: tyrian purple
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Merriam-Webster unabridged