† auriˈpigment Obs.
[ad. L. auripigmentum (also in Eng. use), = auri of gold + pigmentum colouring matter. Now replaced by the form orpiment through Fr.]
A bright yellow mineral, the trisulphide of arsenic (As2S3), 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. |