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Definition: Oleum is a solution of concentrated sulfuric acid (H2SO4) and sulfur trioxide (SO32-). Also Known As: fuming sulfuric acid. Chemistry Glossary and ...
http://www.thefreedictionary.com/oleum
Mar 15, 2012 ... plural oleums : a heavy oily strongly corrosive solution of sulfur trioxide in anhydrous sulfuric acid. Origin of OLEUM. Latin, olive oil ? more at ...
http://www.thefreedictionary.com/oleum
a dense, corrosive liquid consisting of concentrated sulphuric acid containing excess sulphur trioxide in solution. Origin: early 20th century: from Latin, literally ...
http://chemistry.about.com/od/chemistryglossary/g/Oleum-Definition.htm
/?o?li?/ Show Spelled [oh-lee-uh] Show IPA , for 1, o·le·ums for 2. 1. Pharmacology, oil. 2. Chemistry, pyrosulfuric acid. Origin: 1900?05; < Latin: oil.
http://chemistry.about.com/od/chemistryglossary/g/Oleum-Definition.htm
fuming sulphuric acid n a mixture of pyrosulphuric acid, H2S2O7, and other condensed acids, made by dissolving sulphur trioxide in concentrated sulphuric acid ...
http://www.merriam-webster.com/dictionary/oleum
oléum. nom masculin. Acide sulfurique fumant, obtenu par le procédé de contact et contenant plus d'anhydride SO3 que l'acide normal H2SO4. (Ce sont des ...
http://www.merriam-webster.com/dictionary/oleum