purple of Cassius

[kash-uhs, kash-ee-uhs, kah-see-uhs]

purple of Cassius

[kash-uhs, kash-ee-uhs, kah-see-uhs]
noun
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:
1830–40; named after A. Cassius, 17th-century German physician
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Purple of Cassius is always a great word to know.
So is ninnyhammer. Does it mean:
a fool or simpleton; ninny.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
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