vacuum in English dictionary

  • vacuum

    Meanings and definitions of "vacuum"

    • (rare, chiefly Netherlands) Alternative spelling of vacuum.
    • noun
      A region of space that contains no matter.
    • noun
      (plural only "vacuums")
      A vacuum cleaner.
    • noun
      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.
    • verb
      (transitive)
      To clean (something) with a vacuum cleaner.
    • verb
      (intransitive)
      To use a vacuum cleaner.
    • verb
      (transitive, databases)
      To optimise a database or database table by physically removing deleted tuples.
    • (physics); a volume of space that is substansively empty of matter.
    • null (NUL)
    • To clean (something) with a vacuum cleaner.
    • noun
      an electrical home appliance that cleans by suction
    • noun
      an empty area or space; "the huge desert voids"; "the emptiness of outer space"; "without their support he'll be ruling in a vacuum"
    • noun
      a region that is devoid of matter
    • noun
      the absence of matter
    • verb
      clean with a vacuum cleaner; "vacuum the carpets"

    Synonyms of "vacuum" in English dictionary

    emptiness, vacuum cleaner, home appliance are the top synonyms of "vacuum" in the English thesaurus.

    Grammar and declension of vacuum

    • vacuüm ( plural  vacua)
    • vacuum (third-person singular simple present vacuums, present participle vacuuming, simple past and past participle vacuumed)
  • Vacuum

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