tungstic, a. Chem.
(ˈtʌŋstɪk)
[f. tungsten + -ic 1 b.]
Pertaining to or formed from tungsten; applied to compounds in which tungsten combines as a hexad (see -ic 1 b), as tungstic acid, H2O.WO3 (formerly = t. oxide), tungstic chloride, WCl6, tungstic oxide, WO3; also to minerals containing tungsten, as tungstic ochre (see ochre n. 2), native tungstic oxide, also called ˈtungstite.
| 1796 Hatchett in Phil. Trans. LXXXVI. 286 In 1790, Mr. Heyer..made some experiments on this ore [molybdate of lead], from which he inferred that it was composed of lead, combined with the tungstic acid. 1836–41 Brande Man. Chem. (ed. 5) 923 The Nitro-tungstate of Potassa is the salt originally described by Scheele [1781] as tungstic acid. 1868 Watts Dict. Chem. V. 915 Tungstic compounds,..in which tungsten is hexatomic. 1868 Dana Min. (ed. 5) 186 Tungstite. |