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What does "Vacuum" mean?


(n.) A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum (n.) The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.; as, a vacuum of 26 inches of mercury, or 13 pounds per square inch

Synonyms hoover, vacuity, vacuum cleaner, vacuum-clean

Example: "Without their support he'll be ruling in a vacuum" Example: "Vacuum the carpets"

Word Family vacuumed, vacuuming, vacuums