chromous, a. Chem.
(ˈkrəʊməs)
[f. chrome n. + -ous.]
Of or pertaining to chromium: applied to compounds in which it combines as a dyad.
| 1840 Henry Elem. Chem. II. 63 Deutoxide (Chromous acid). 1873 Williamson Chem. §187 Chromous oxide is analogous in its salts to ferrous oxide. Ibid. §189 Chromous chloride CrCl2. |