Dictionary

oleum

noun ole·um \ˈō-lē-əm\

Definition of OLEUM

1
plural olea \-lē-ə\ :  oil
2
plural oleums :  a heavy oily strongly corrosive solution of sulfur trioxide in anhydrous sulfuric acid

Origin of OLEUM

Latin, olive oil — more at oil
First Known Use: circa 1823

Rhymes with OLEUM

oleum

noun ole·um \ˈō-lē-əm\   (Medical Dictionary)
plural olea \-lē-ə\

Medical Definition of OLEUM

:  oil 1

Browse

Next Word in the Dictionary: O levelPrevious Word in the Dictionary: OlethreutidaeAll Words Near: oleum
April 26, 2015
rococo Hear it
excessively ornate or intricate
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears