单词 | pernitrous |
释义 | > as lemmaspernitrous pernitrous adj. Brit. /pəːˈnʌɪtrəs/ , /pəˈnʌɪtrəs/ , U.S. /pərˈnaɪtrəs/ [perhaps after French pernitreux (1816 or earlier).] rareΚΠ 1818 W. Henry Elements Exper. Chem. (ed. 8) I. i. xviii. 405 When 400 measures of nitrous gas and 100 measures of oxygen..are mixed together..we obtain 100 measures of a compound, called by Gay Lussac per-nitrous acid. Mr. Dalton..has lately proposed to call it sub-nitrous acid. 1997 Nitric Oxide 1 502 Raman spectroscopy has been used to determine the isotopic distribution of oxygen during the isomerization of pernitrous acid to nitrate. < as lemmas |
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