platiniten.
/ˈplatᵻnʌɪt/, /ˈplatn̩ʌɪt/, U.S. /ˈplætn̩aɪt/ 1. Chemistry. A salt containing divalent platinum in the anion. Cf. platinate n. Now rare.
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the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > platinates
platinate1852
platinite1866
1866 H. Watts Dict. Chem. IV. 671 Platinous Oxide..when recently precipitated..dissolves in potash and in soda, forming salts called platinites, which appear also to be formed when metallic platinum is heated with caustic alkalis.
1945 Science 31 Aug. 216/1 Dickenson's analyses..determined the structures of a number of complex crystals, including the chlorostannates, the chloropalladites and platinites.
2. Metallurgy. Also with capital initial. An alloy of iron and nickel which has the same coefficient of expansion as platinum, used to make metal-to-glass contacts in light bulbs.
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society > occupation and work > materials > derived or manufactured material > metal > alloy > [noun] > iron and nickel
nickel-iron1867
Invar1902
platinite1905
Nife1909
elinvar1921
permalloy1923
perminvar1928
radiometal1932
1905 Nature 6 July 237/1 Of the nickel steels described, the most remarkable are Guillaume's invar..and platinite.
1918 Nature 15 Aug. 471/1 The Germans..have found that for certain purposes an alloy of nickel and iron may replace platinum. The alloy—called ‘platinite’—may be used in electric lamps.
1923 Engineering 23 Nov. 651/3 The iron-nickel alloy known as ‘Platinite’, containing 46 per cent. of nickel and about 0·15 per cent. of carbon, had practically the same coefficient of expansion as glass.
1965 A. D. Merriman Conc. Encycl. Metall. 731 Platinite..is used for lead-in wires in electric-lamp bulbs.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1866