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cobalt yellow

 - 3 dictionary results

cobalt yellow

–noun
1. aureolin.
2. Also called cobalt potassium nitrite. potassium cobaltinitrite.

Origin:
1870–75

au⋅re⋅o⋅lin

[aw-ree-uh-lin, uh-ree-]
–noun
a pigment used in painting, consisting of potassium cobaltinitrite and characterized by its brilliant yellow hue, transparency, and permanence.
Also called cobalt yellow.


Origin:
1875–80; < L aureol(us) golden, of gold (see aureole ) + -in 2


au⋅re⋅o⋅line [aw-ree-uh-lin, -lahyn, uh-ree-] , adjective

potas⋅sium co⋅bal⋅ti⋅ni⋅trite

[koh-bawl-tuh-nahy-trahyt]
–noun Chemistry.
a yellow, crystalline, slightly water-soluble powder, K3Co(NO2)6, used as a pigment in oil and watercolor paints, and for coloring surfaces of glass, porcelain, etc.
Also called cobalt yellow.


Origin:
cobalt + -i- + nitrate
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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