vacuum meaning

[ 'vækjuəm ] Pronunciation:   "vacuum" in a sentence
  • Noun: vacuum (vacuums,vacua)  vakyoo(u)m
    1. The absence of matter
      - vacuity 
    2. An empty area or space
      "without their support he'll be ruling in a vacuum"
      - void, vacancy, emptiness 
    3. A region that is devoid of matter
      - vacuity 
    4. An electrical home appliance that cleans by suction
      - vacuum cleaner
    Verb: vacuum  vakyoo(u)m
    1. Clean with a vacuum cleaner
      "vacuum the carpets"
      - vacuum-clean, hoover [Brit]

    Derived forms: vacua, vacuums, vacuuming, vacuumed

    Type of: clean, emptiness, home appliance, household appliance, make clean, part, region, space

    Encyclopedia: Vacuum

  • [Medicine]
    A space in which the pressure is far below atmospheric pressure so that the remaining gases do not affect processes being carried on in the space. n pl vac·u·ums or vac·ua
    1 : emptiness of space
    a : a space absolutely devoid of matter
    b : a space partially exhausted (as to the highest degree possible) by artificial means (as an air pump)
    c : a degree of rarefaction below atmospheric pressure : negative pressure
    1 : of, containing, producing, or utilizing a partial vacuum ‹separated by means of vacuum distillation›
    2 : of or relating to a vacuum device or system


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  1. no vacuum or picture tubes were broken.
  2. the whole apparatus operates under high vacuum.
  3. the vacuum valve opens to admit air.
  4. into the vacuum came the new york conservative party.
  5. clearly, management doesn't operate in a vacuum.

Related Words

  1. vacuolisation meaning
  2. vacuolization meaning
  3. vacuous meaning
  4. vacuously meaning
  5. vacuousness meaning
  6. vacuum aspiration meaning
  7. vacuum aspirations meaning
  8. vacuum aspirator meaning
  9. vacuum bag meaning
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