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cobalt green

noun

  1. a medium, yellowish-green color.
  2. Also called zinc green. a pigment used in painting consisting mainly of oxides of cobalt and zinc, characterized chiefly by its green color, fast drying rate, permanence, and lack of tinting strength.


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Word History and Origins

Origin of cobalt green1

First recorded in 1870–75
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Example Sentences

In the District, bars such as Cobalt, Green Lantern and JR’s Bar and Grill posted announcements on their Facebook pages that they were adopting a “no bags” policy as a precaution.

Blue glass is formed by means of oxide of cobalt; green, by the oxide of iron or copper; violet, by oxide of manganese; red, by a mixture of the oxides of copper and iron; purple, by the purple oxide of gold; white, by the oxides of arsenic and of zinc; yellow, by the oxide of silver, and by combustible bodies.

With other physical defects, and a colour inferior to the chrome oxides, cobalt green has never been a favourite with artists, though justly eulogised by chemists.

True cobalt green is made by igniting a very large quantity of carbonate of zinc with a very small quantity of carbonate of cobalt.

A compound analogous to cobalt green may be made, of an olive hue, with more body, and equally stable.

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