Obs. [ad. L. auripigmentum (also in Eng. use), = auri of gold + pigmentum coloring matter. Now replaced by the form ORPIMENT through Fr.] A bright yellow mineral, the trisulphide of arsenic (As2S2), used by painters under the name of King’s Yellow. Cf. ARSENIC 1 a.
1398. Trevisa, Barth. De P. R., XVI. vi. (1495), 555. Yf auripigment be layed to brasse it maketh the brasse whyte.
1596. W. P., Bk. of Secrets, 9. Take Auripigmentum and red lead.
1607. Topsell, Four-f. Beasts, 399. Mug-wort … with auripigment, killeth wolfs and mice.
1741. Compl. Fam.-Piece, II. i. 321. Strew upon it … Powder of Auripigmentum.
