manganous, a.
(ˈmæŋgənəs)
Also 9 manganeous.
[f. mangan-ese + -ous.]
a. Of the nature of, or containing, manganese. b. Chem. Containing manganese with a valency of two.
| 1823 Henry Elem. Chem. (ed 9) II. 11 The constitution of the manganeous acid. 1842 T. Graham Elem. Chem. 530 Protoxide of manganese, Manganous oxide. 1884 H. Bauerman Descr. Mineral. 51 Manganous sulphide. 1884 Health Exhib. Catal. 49/2 Patent Manganous Carbon Filters of various kinds. 1891 Thorpe Dict. Appl. Chem. II. 499/1 One-sixth of the weight of the manganous chloride employed. |