英语词汇“oleum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	oleum
释义	oleum\|ˈəʊliːəm\| Pl. oleums. [L., = ‘oil’.] An oily liquid which is produced by dissolving sulphur trioxide in concentrated sulphuric acid in the contact process and is used in sulphonation and nitration processes; fuming sulphuric acid. 1905Blount & Bloxam Chem. for Engineers & Manuf. (ed. 2) II. i. 23 Ordinary vitriol is still called in Germany English sulphuric acid, in contradistinction to the fuming acid or ‘oleum’.1949P. W. Vittum tr. Fierz-David & Blangey's Fund. Proc. Dye Chem. 83 When sulfonation is done with oleum, usually only the SO₃ is used up.1954Thorpe's Dict. Appl. Chem. (ed. 4) XI. 296/1 (heading) Boiling-points of oleums.1973Times 20 Jan. 3/1 It [sc. a tanker] was carrying a maximum load of 20 tons of oleum, a corrosive acid said to react violently when in contact with a small quantity of water.
随便看	substitution substitutional substitutionalism substitutionary substitutive substitutivity substitutory substra substract substraction substractive substractor substrahend substramen substratal substrate substration substrative substrator substratum substrature substruct substruction substructure substylar

英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。