oxynitricadj.
/ˌɒksɪˈnʌɪtrɪk/, U.S. /ˌɑksiˈnaɪtrɪk/ Chemistry. Now historical.† 1. oxynitric gas n. Obsolete = nitrogen trioxide n. (b) at nitrogen n. Compounds 2.
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the world > matter > chemistry > elements and compounds > metals > specific elements > oxygen > [noun] > compounds > oxides > peroxides
foam of copperas1538
colcothar1605
peroxide1804
oxynitric gas1805
superoxide1807
oxynitric acid1810
hyperoxide1855
oxylithe1902
hydrogen peroxide1907
1805 W. Nisbet Dict. Chem. 369 Oxy-nitric gas.
2. oxynitric acid n. = nitrogen trioxide n. (b) at nitrogen n. Compounds 2.
ΘΚΠ
the world > matter > chemistry > elements and compounds > metals > specific elements > oxygen > [noun] > compounds > oxides > peroxides
foam of copperas1538
colcothar1605
peroxide1804
oxynitric gas1805
superoxide1807
oxynitric acid1810
hyperoxide1855
oxylithe1902
hydrogen peroxide1907
1810 J. Dalton New Syst. Chem. Philos. I. ii. v. 365 The atom of oxynitric acid must, it is presumed, weigh 26.1; it consists of 1 atom of azote and 3 of oxygen.
1815 W. Henry Elements Exper. Chem. (ed. 7) I. i. xiii. 362 It will appear that the oxygen, in nitrous gas, is very nearly, both in weight and volume, a multiple of that in nitrous oxide by 2; in nitrous acid by 3; in nitric acid by 4; and in oxynitric acid by 6.
1935 Sci. Monthly Mar. 204/2 The other symbols are..Fig. 40: NO3 = oxynitric acid.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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adj.1805