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partial vacuum

an enclosed space from which part of the air or another gas has been removed. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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  • The pressure is then allowed to escape and a partial vacuum created in the apparatus.

    All About Coffee William H. Ukers
  • A partial vacuum, therefore, exists within the cup, and the pressure of the external air forces the juice into it.

    The Reason Why Anonymous
  • It must be that our repellers have set up a partial vacuum by repelling even the air!

    The Skylark of Space Edward Elmer Smith and Lee Hawkins Garby
  • Papin suggested in 1695 a partial vacuum under a piston for raising water, so as to make the pressure of the air the moving power.

  • The water of the basin will rush into the bottle to fill the partial vacuum created by the disappearance of the oxygen.

    Louis Pasteur Ren Vallery-Radot
  • What is meant by a partial vacuum being made, at the bottom of the room?

  • This latter creates a partial vacuum in the beater chamber by blowing the air out of certain air exit trunks specially provided.

    The Story of the Cotton Plant Frederick Wilkinson
  • Thus when the air on the floor ascends to the ceiling, a partial vacuum is made on the floor.

  • Matilda Danner turned the leaves of the Bible and meditated in a partial vacuum of day-dreams.

    Gladiator Philip Wylie

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