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n. pl. o·le·a (ō′lē-ə) or o·le·ums
A corrosive fuming solution of sulfur trioxide in sulfuric acid.

[Latin, olive oil; see oil.]


n, pl olea (ˈəʊlɪə) or oleums
(Elements & Compounds) another name for fuming sulphuric acid
[from Latin: oil, referring to its oily consistency]
References in periodicals archive ?
Sulfonation includes treatment with gaseous S[O.sub.3] [10, 14], hot concentrated sulfuric acid [15], and fuming sulfuric acid [13, 16, 17].
Keep away from the hot plate.) Once the die is exposed, switch to fuming sulfuric acid and remove the plastic packaging near the wire bonds following the same procedure.
Why does the list include fuming sulfuric acid but not sulfuric acid?