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oleum

American  
[oh-lee-uhm] / ˈoʊ li əm /

noun

olea, plural oleums plural
  1. Pharmacology. oil.

  2. Chemistry. pyrosulfuric acid.


oleum British  
/ ˈəʊlɪəm /

noun

  1. another name for fuming sulphuric acid

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

noun

Etymology

Origin of oleum

1900–05; < Latin: oil

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Both methyl chloride, which can be used to make rubber, and oleum, a type of sulfuric acid, were accidentally released into the atmosphere.

From Reuters • Jul. 7, 2011

In addition, the new State-aided enterprise at Huddersfield was largely diverted to explosives production, and rendered very valuable services in the supply of Tetryl, T.N.T., synthetic phenol, picric acid, and oleum.

From The Riddle of the Rhine; chemical strategy in peace and war by Lefebure, Victor

Twelve ounces were alone available, and it was a yellowish oil, quite bright, about the consistence of oleum olivæ, devoid of smell, and free from the viscid qualities of castor oil.

From Scientific American Supplement, No. 315, January 14, 1882 by Various

The oleum terrae, or earth oil, used chiefly as a preservative against the destructive ravages of the white-ants, is collected at Ipu and elsewhere.*

From The History of Sumatra Containing An Account Of The Government, Laws, Customs And Manners Of The Native Inhabitants by Marsden, William

R. L. S. This-yer refers to an ori-nasal respirator for the inhalation of pine-wood oil, oleum pini sylvestris.

From The Works of Robert Louis Stevenson - Swanston Edition Vol. 23 (of 25) by Stevenson, Robert Louis

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