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Definitions for Vacuum

[1] a space entirely devoid of matter.
[2] an enclosed space from which matter, especially air, has been partially removed so that the matter or gas remaining in the space exerts less pressure than the atmosphere (opposed to plenum).
[3] the state or degree of exhaustion in such an enclosed space.
[4] a space not filled or occupied; emptiness; void: The loss left a vacuum in his heart.
[5] a vacuum cleaner or sweeper.
[6] Physics . a state of lowest energy in a quantum field theory.
[7] of, pertaining to, employing, or producing a vacuum.
[8] (of a hollow container) partly exhausted of gas or air.
[9] pertaining to a device or process that makes use of a vacuum to accomplish a desired task.
[10] noting or pertaining to canning or packaging in which air is removed from the container to prevent deterioration of the contents.
[11] to use a vacuum cleaner on; clean with a vacuum cleaner: to vacuum rugs.
[12] to treat with any vacuum device, as a vacuum drier.
[13] to use a vacuum cleaner: to vacuum in the dining room.
[14] a region containing no matter; free space Compare plenum (def. 3)
[15] a region in which gas is present at a low pressure
[16] the degree of exhaustion of gas within an enclosed space a high vacuum ; a perfect vacuum
[17] a sense or feeling of emptiness his death left a vacuum in her life
[18] short for vacuum cleaner
[19] (modifier) of, containing, measuring, producing, or operated by a low gas pressure a vacuum tube ; a vacuum brake
[20] to clean (something) with a vacuum cleaner to vacuum a carpet

Words related to Vacuum

void, gap, vacuity, nothingness, exhaustion, space, rarefaction

Words nearby Vacuum

vacuolated, vacuolation, vacuole, vacuous, vacutome, vacuum, vacuum activity, vacuum aspiration, vacuum bottle, vacuum brake, vacuum casting

Origin of Vacuum

1540–50; < Latin, neuter of vacuus empty

Other words from Vacuum

non·vac·u·um , adjective, noun, plural non·vac·u·ums, non·vac·u·a.

Word origin for Vacuum

C16: from Latin: an empty space, from vacuus empty

Synonyms for Vacuum

gap, void, exhaustion, nothingness, rarefaction, space, vacuity, free space