cobalt blue

cobalt blue

n.

1. A blue to green pigment consisting of a variable mixture of cobalt oxide and alumina.

2. A moderate to deep vivid blue or greenish blue.

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cobalt blue

n

1. (Chemistry / Elements & Compounds) Also called Thénard's blue any greenish-blue pigment containing cobalt aluminate, usually made by heating cobaltous sulphate, aluminium oxide, and phosphoric acid together

2. (Fine Arts & Visual Arts / Colours)

a.  a deep blue to greenish-blue colour

b.  (as adjective) a cobalt-blue car

Thesaurus

Noun	1.	cobalt blue - a shade of blue tinged with green     aqua, greenish blue, peacock blue, turquoise, aquamarine blue, blueness - blue color or pigment; resembling the color of the clear sky in the daytime; "he had eyes of bright blue"
	2.	cobalt blue - greenish-blue pigment consisting essentially of cobalt oxide and alumina cobalt ultramarine pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)