See Also: Orpiment(medicine)
orpiment(dictionary)
orpiment (iou)
orpiment noun. LME.
[Old & mod. French from Latin auripigmentum, from aurum gold + pigmentum PIGMENT.]
Arsenic trisulphide, a bright yellow monoclinic mineral occurring naturally as prismatic crystals or (more usu.) massive deposits, or made artificially, and formerly used as a dye and artist's pigment (also more fully yellow orpiment). Also (in full red orpiment) = REALGAR.
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