Vacuum

Noun

  • A region of space that contains no matter.
  • The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.

    "a vacuum of 26 inches of mercury, or 13 pounds per square inch"

  • A vacuum cleaner.

Verb

  • (transitive) To clean (something) with a vacuum cleaner.
  • (intransitive) To use a vacuum cleaner.

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