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Definitions for: Orpiment [n] a yellow mineral occuring in conjunction with realgar; an ore of arsenic
Webster (1913) Definition: Or"pi*ment, n. [F., fr. L. auripigmentum; aurum gold
+ pigmentum pigment. Cf. Aureate, Pigment, Orpin,
Orpine.] (Chem.)
Arsenic sesquisulphide, produced artificially as an amorphous
lemonyellow powder, and occurring naturally as a yellow
crystalline mineral; -- formerly called auripigment. It is
used in king's yellow, in white Indian fire, and in certain
technical processes, as indigo printing.
Our orpiment and sublimed mercurie. --Chaucer.
Red orpiment, realgar; the red sulphide of arsenic.
Yellow orpiment, king's yellow.
See Also: arsenic, As, atomic number 33, mineral
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