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.

Word History and Origins

Origin of cobalt green¹

First recorded in 1870–75

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.

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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.

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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.

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

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

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