Definition of oleum in English:

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oleum

Pronunciation: /ˈəʊlɪəm/

noun

[mass noun]
A dense, corrosive liquid consisting of concentrated sulphuric acid containing excess sulphur trioxide in solution.
Example sentences
  • In Tennessee all officers undergo training in which they are exposed to both CS and oleum capsicum, and no significant injuries from exposure have been reported.

Origin

Early 20th century: from Latin, literally 'oil'.

For editors and proofreaders

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