nickelousadj.
/ˈnɪkələs/, /ˈnɪkl̩əs/, U.S. /ˈnɪk(ə)ləs/ Chemistry.
Of or containing nickel, esp. in the divalent state. Cf. nickelic adj.
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the world > the earth > minerals > mineral sources > [adjective] > yielding a mineral or metal > nickel
niccoliferous1820
nickeliferous1821
nickelic1828
nickelous1874
the world > matter > chemistry > elements and compounds > metals > specific elements > nickel > [adjective] > relating to or containing
nickelic1828
nickelous1874
1874 W. A. Miller Elements Chem. (ed. 5) II. xxi. 542 Nickelous Nitrate,..Ni2NO3,6H2O.
1899 Nature 20 Apr. 595/1 Complete analyses of nickelous bromide and cobaltous bromide were undertaken.
1906 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. III. 502/2 Nickelous hydrate is a pale-green powder.
1936 Chem. Rev. 19 68 Nickelous ions.
1959 Chambers's Encycl. X. 30/2 Nickel forms nickelous oxide (NiO).
1989 Encycl. Brit. XVIII. 519/1 On discharge, the nickelous hydroxide is converted to nickelic hydroxide.
This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).
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adj.1874