a yellow or red crystalline substance, As 2 S 3 , occurring in nature as the mineral orpiment, and used as a pigment (king’s yellow) and in pyrotechnics.
a grayish-white element having a metallic luster, vaporizing when heated, and forming poisonous compounds. Symbol: As; atomic weight: 74.92; atomic number: 33. . a mineral, the native element, occurring in white or gray masses. of or containing arsenic, especially in the pentavalent state. Contemporary Examples arsenic has been used as a poisoning agent since the […]
containing or relating to . any of a group of pesticides, drugs, or other compounds containing . Historical Examples arsenical Soaps, &c.—Arsenic is used in preserving the skins of animals. Poisons: Their Effects and Detection Alexander Wynter Blyth arsenical compounds have supplanted practically all other substances used to combat external biting insects. Apple Growing M. […]
arsenicalism arsenicalism ar·sen·i·cal·ism (är-sěn’ĭ-kə-lĭz’əm) n. See arseniasis.
a compound containing two elements of which arsenic is the negative one, as silver arsenide, Ag 3 As. noun a compound in which arsenic is the most electronegative element