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oleum

[oh-lee-uh m] /ˈoʊ li əm/
noun, plural olea
[oh-lee-uh] /ˈoʊ li ə/ (Show IPA),
for 1, oleums for 2.
1.
Pharmacology, oil.
2.
Chemistry, pyrosulfuric acid.
Origin
1900-1905
1900-05; < Latin: oil
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for oleum
  • oleum is a concentrated solution of sulfuric acid and sulfur trioxide.
  • Over time, the oleum had corroded piping in the plant's spent acid recovery unit.
  • Exposure to sulfuric acid and oleum can also occur through accidental releases.
British Dictionary definitions for oleum

oleum

/ˈəʊlɪəm/
noun (pl) olea (ˈəʊlɪə), oleums
1.
another name for fuming sulphuric acid
Word Origin
from Latin: oil, referring to its oily consistency
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
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