† hyponitricadj.
/hʌɪpə(ʊ)ˈnʌɪtrɪk//hɪpə(ʊ)ˈnʌɪtrɪk/ Chemistry. Obsolete.
In hyponitric acid, an old name for tetroxide (or peroxide) of nitrogen, pernitric oxide, NO2 or N2O4.
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nitrous ether1791
nitruret1794
azoturet1819
azotane1827
nitride1850
hyponitric acid1854
nitryl1864
azotine1884
nitro-metal1895
tetrazone1895
trinitride1911
nitroxide1950
nitroxyl1969
1854 J. Scoffern in Orr's Circle Sci., Chem. 326 Hypo~azotic or hyponitric acid.
1864 H. Spencer Princ. Biol. I. 8 Hypo-nitric acid is decomposed both by water and by contact with the various bases.
1876 J. Van Duyn & E. C. Seguin tr. E. L. Wagner Man. Gen. Pathol. 560 The latter first takes oxygen from the blood, and forms hyponitric acid.
This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2022).
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adj.1854