vacuum

IPA: vˈækjum

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.
  • (physics) A spacetime having tensors of zero magnitude.
  • An emptiness in life created by a loss of a person who was close, or of an occupation.
  • An exercise in which one draws their abdomen towards the spine.
  • (colloquial, only pluralized as "vacuums") Ellipsis of vacuum cleaner. [A domestic or industrial mobile machine for cleaning floors and similar surfaces that draws dust and other particles into a container (a cyclonic type bin, or a filter bag) by the suction created by an electric motor driving a fan.]

verb

  • (transitive) To clean (something) with a vacuum cleaner.
  • (intransitive) To use a vacuum cleaner.
  • (transitive, databases) To optimise a database or database table by physically removing deleted tuples.

Examples of "vacuum" in Sentences

  • Beezus stops to unplug the vacuum.
  • The surface of the moon is a vacuum.
  • Is the universe a vacuum fluctuation
  • The sound doesn't propagate in vacuum.
  • It is the best vacuum cleaner in the world.
  • Extreme ideologies exist in insulated vacuums.
  • The electric susceptibility of a vacuum is zero.
  • In the experiment the quarks ionized the vacuum area.
  • The wafers are then stopped by the suction of the vacuum.
  • And, in truth, by the term vacuum in its common use, we do not mean
  • Secondly, a vacuum is not a void but the absence of ponderable matter in space.
  • "So, then," objected Willis, "if two persons were to talk in what you call a vacuum, they would not hear each other?"
  • Removing the bugs with a vacuum is the best way to go, says Michael Raupp, a professor of entomology at the University of Maryland.
  • I bet there is some really elegant solution to mechanically actuating something in vacuum from a pressurized environment but I can't think of it immediately.
  • Frustrated with what he calls a vacuum in leadership, he has turned to other mayors, an effort the National Rifle Association calls -- quote -- "a publicity stunt."
  • The mode by which we obtain what I term a vacuum is, it is believed, entirely new, as is also the method of letting the water into it, and throwing it off against the atmosphere without any friction.
  • A. the speed of light in a vacuum is about 670,616,629.2 miles per hour or 983,571,056 feet per second, which is about 186,282.397 miles per second, or roughly one foot per nanosecond. the speed of sound?
  • Thus it can be seen that Newton was of the opinion that heat consists in a minute vibratory motion of the particles of bodies, and that such motion was communicated through what he calls a vacuum by the vibrations of an elastic medium, the
  • The natural agency for filling this vacuum is the League of Nations - (Hear, hear) - which is not purely a European concern belonging to certain states, but is an organization for filling the vacuum created by the disappearance of that old European system in which the autocracies were more powerful than the democracies.

Related Links

syllables in vacuumsynonyms for vacuumrhymes for vacuumdescribing words for vacuumunscramble vacuum

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