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pernitrate
pernitrate n. 
/pəˈnʌɪtreɪt/,
Brit. /pəːˈnʌɪtreɪt/
, /pəːˈnʌɪtreɪt//pəˈnʌɪtreɪt/U.S. /pərˈnaɪˌtreɪt/
/pərˈnaɪˌtreɪt/ΚΠ
1823 W. Henry Elements Exper. Chem. (ed. 9) II. ix. 117 A solution is obtained, in which the metal is more highly oxidated, constituting per-nitrate of mercury.
2001 Nature 26 Apr. 1078 Measurements of a dozen oxygenated chemicals (carbonyls, alcohols, organic nitrates, organic pernitrates and peroxides)..reveal that abundances of oxygenated species are extremely high.
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