Word Study
orpiment
CIDE DICTIONARY
orpiment, n. [F., fr. L. auripigmentum; aurum gold + pigmentum pigment. Cf. Aureate, Pigment, Orpin, Orpine.].
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." [1913 Webster]
OXFORD DICTIONARY
orpiment, n.
1 a mineral form of arsenic trisulphide, formerly used as a dye and artist's pigment. Also called yellow arsenic.
2 (in full red orpiment) = REALGAR.
1 a mineral form of arsenic trisulphide, formerly used as a dye and artist's pigment. Also called yellow arsenic.
2 (in full red orpiment) = REALGAR.
Etymology
ME f. OF f. L auripigmentum f. aurum gold + pigmentum pigment
ROGET THESAURUS
orpiment
Yellowness
N yellowness, yellow, or, gamboge, cadmium-yellow, chrome-yellow, Indian-yellow king's-yellow, lemonyellow, orpiment, yellow ocher, Claude tint, aureolin, xanthein, xanthin, zaofulvin, crocus, saffron, topaz, xanthite, yolk, jaundice, London fog, yellowness, icterus, xantho- cyanopia, xanthopsia, yellow, aureate, golden, flavous, citrine, fallow, fulvous, fulvid, sallow, luteous, tawny, creamy, sandy, xanthic, xanthous, jaundiced, auricomous, gold-colored, citron-colored, saffron-colored, lemon-colored, lemon yellow, sulphur-colored, amber-colored, straw-colored, primrose- colored, creamcolored, xanthocarpous, xanthochroid, xanthopous, yellow as a quince, yellow as a guinea, yellow as a crow's foot, warm, advancing.For further exploring for "orpiment" in Webster Dictionary Online