Lexic.us

Definition of Orpiment

1. Noun. A yellow mineral occurring in conjunction with realgar; an ore of arsenic.

Definition of Orpiment

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.

Definition of Orpiment

1. Noun. arsenic trisulphide, occurring naturally in crystals or massive deposits, formerly used as a dye or pigment ¹

¹ Source: wiktionary.com

Definition of Orpiment

1. a yellow dye [n -S]

Medical Definition of Orpiment

1. 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. Origin: F, fr. L. Auripigmentum; aurum gold + pigmentum pigment. Cf. Aureate, Pigment, Orpin, Orpine. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Orpiment

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