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oleum

American  
[oh-lee-uhm] / ˈoʊ li əm /

noun

plural

olea, oleums
  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

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

After the staunching of the bleeding, the wound was to be cleansed and then covered with oleum abjetinum, very probably oil of turpentine, one part to two parts of oil of roses.

From The Century of Columbus by Walsh, James J.

Many of the above symptoms are relieved by musk, castor, the fœtid gums, valerian, oleum animale, oil of amber, which act in the usual dose without heating the body.

From Zoonomia, Vol. II Or, the Laws of Organic Life by Darwin, Erasmus

"Piper, cepam siccam, ligusticum, cuminum, orignum, apii semen, pruna damascena enucleata; passum, liquamen, defrutum, oleum, et coques."

From Notes and Queries, Number 16, February 16, 1850 by Various

This contains "oleum calami," and the bitter principle "acorin."

From Herbal Simples Approved for Modern Uses of Cure by Fernie, William Thomas