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cobalt blue
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noun
a deep blue to a strong greenish-blue color.
any of a number of pigments containing an oxide of cobalt.
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Also called king's blue, Thenard's blue.
Origin of cobalt blue
First recorded in 1825–35
Words nearby cobalt blue
cobalamin, cobalt, cobalt 60, cobaltammine, cobalt bloom, cobalt blue, cobalt bomb, cobalt green, cobaltic, cobaltite, cobaltous
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use cobalt blue in a sentence
British Dictionary definitions for cobalt blue
cobalt blue
noun
Also called: Thénard's blue any greenish-blue pigment containing cobalt aluminate, usually made by heating cobaltous sulphate, aluminium oxide, and phosphoric acid together
- a deep blue to greenish-blue colour
- (as adjective)a cobalt-blue car
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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