aureolin

[ aw-ree-uh-lin, uh-ree- ]

/ ɔˈri ə lɪn, əˈri- /

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noun

a pigment used in painting, consisting of potassium cobaltinitrite and characterized by its brilliant yellow hue, transparency, and permanence.

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Also called cobalt yellow.

Origin of aureolin

1875–80; <Latin aureol(us) golden, of gold (see aureole) + -in²

au·re·o·line

[aw-ree-uh-lin, -lahyn, uh-ree-], /ɔˈri ə lɪn, -ˌlaɪn, əˈri-/, adjective

Of these colours, Aureolin is the most expensive, but it is a very beautiful colour, and has the advantage of being permanent.
Illumination and its Development in the Present Day|Sidney Farnsworth
Several most valuable colours have lately claimed attention, notably the permanent transparent yellow called Aureolin.
Field's Chromatography|George Field
With this and Aureolin a series of beautiful foliage tints may be formed, sparkling with sunshine, as it were.
Field's Chromatography|George Field
Pale cadmium yellow with or without aureolin, is adapted for golden sunsets, and yields with French blue a beautiful sea-green.
Field's Chromatography|George Field

To our knowledge, aureolin is quite uninjured by the severest tests to which a pigment can be subjected.
Field's Chromatography|George Field