protiodide Chem.
(prəʊˈtaɪədaɪd)
Also protoiodide.
[prot-, proto- 3.]
A combination of iodine with another element or radical, containing the smallest proportion of iodine: opposed to per-iodide. Formerly also called † protiˈoduret. Now usually otherwise expressed, as protiodide of iron = ferrous iodide, Fe I2; protiodide or protioauret of mercury = mercuric iodide, Hg I2.
| 1836 J. M. Gully Magendie's Formul. (ed. 2) 120 Preparation of the Proto-Ioduret of Mercury. 1836–41 Brande Chem. (ed. 5) 677 Iodide of Calcium..may also be obtained by digesting hydrate of lime with protiodide of iron. 1854 Scoffern in Orr's Circ. Sc., Chem. 499 The protoiodide [of mercury]..is a beautiful red compound. |