oleum
ole·um
noun \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
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