Orpiment \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
lemon-yellow 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.
[1913 Webster]
Our orpiment and sublimed mercurie. --Chaucer.
[1913 Webster]
Red orpiment, realgar; the red sulphide of arsenic.
Yellow orpiment, king's yellow.
[1913 Webster]
Source: The Collaborative International Dictionary of English v.0.48
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Orpiment \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.
Source: Webster's Revised Unabridged Dictionary (1913)
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