oil blue

oil blue

[′ȯil ′blü]
(inorganic chemistry)
Violet-blue copper sulfide pigment used in varnishes.
References in periodicals archive ?
The scientists dyed the oil blue to make it stand out.
The Regional Perspective; Malay Palm Oil Blues Spread To Africa: Apart from serious political problems in Indonesia and relatively less serious risks in neighbouring Malaysia, corruption emanating from socio-economic opportunities in these and other South-East Asian countries has spread to other poorer parts of the world.
In May 2006, shortly after her peak oil "awakening," McMahon started Peak Oil Blues, a "Dear Abby"-like online column about waning fossils fuels, in part to deal with her own growing unease over the scarcity of oil.