DICT.TW Dictionary Taiwan
18.224.0.25
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Or·pi·ment n.  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.
    Our orpiment and sublimed mercurie.   --Chaucer.
 Red orpiment, realgar; the red sulphide of arsenic.
 Yellow orpiment, king's yellow.
 ◄ ►