Thesaurus: orpiment

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1. n. 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.
2. n. a yellow mineral occurring in conjunction with realgar; an ore of arsenic
3. 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.
4. Arsenic sesquisulphide, produced artificially as an amorphouslemonyellow powder, and occurring naturally as a yellow crystallinemineral; -- formerly called auripigment. It is used in king's yellow,in white Indian fire, and in certain technical processes, as indigoprinting.Our orpiment and sublimed mercurie. Chaucer.Red orpiment, realgar; the red sulphide of arsenic.-- Yellow orpiment, king's yellow.
5. n. a yellow mineral occurring in conjunction with realgar; an ore of arsenic