mercuric sulphide


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Related to mercuric sulphide: Mercuric oxide, mercuric sulfate

mercuric sulphide

n
(Elements & Compounds) a compound of mercury, usually existing as a black solid (metacinnabarite) or a red solid (cinnabar or vermilion), which is used as a pigment. Formula: HgS. Systematic name: mercury(II) sulphide
References in periodicals archive ?
They had to prepare it from cinnabar, naturally occurring mercuric sulphide. Heating this red ore in air drives off the sulphur as sulphur dioxide and leaves behind shiny mercury metal.
There are various theories as to the origin of this mythical and magical substance, including that it might be cinnabar, a mercuric sulphide that produced the red pigment vermillion, or that it's simply any mercury made in Russia during the Cold War era when "red" was used as a euphemism for communism.
Being beautiful was a dangerous business during the Renaissance, when white lead powder was used on the face, and in the 18th century women used the poisonous compound mercuric sulphide for rouge.