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vacuum
[ vak-yoom, -yoo-uhm, -yuhm ]
noun
- a space entirely devoid of matter.
- 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 ( plenum ).
- the state or degree of exhaustion in such an enclosed space.
The loss left a vacuum in his heart.
- a vacuum cleaner or sweeper.
- Physics. a state of lowest energy in a quantum field theory.
adjective
- of, pertaining to, employing, or producing a vacuum.
- (of a hollow container) partly exhausted of gas or air.
- pertaining to a device or process that makes use of a vacuum to accomplish a desired task.
- noting or pertaining to canning or packaging in which air is removed from the container to prevent deterioration of the contents.
verb (used with object)
- to use a vacuum cleaner on; clean with a vacuum cleaner:
to vacuum rugs.
- to treat with any vacuum device, as a vacuum drier.
verb (used without object)
- to use a vacuum cleaner:
to vacuum in the dining room.
vacuum
/ ˈæʊə /
noun
- a region containing no matter; free space Compare plenum
- a region in which gas is present at a low pressure
- the degree of exhaustion of gas within an enclosed space
a high vacuum
a perfect vacuum
- a sense or feeling of emptiness
his death left a vacuum in her life
- short for vacuum cleaner
- modifier of, containing, measuring, producing, or operated by a low gas pressure
a vacuum tube
a vacuum brake
verb
- to clean (something) with a vacuum cleaner
to vacuum a carpet
vacuum
- A region of space in which there is no matter.
- A region of space having extremely low gas pressure relative to surrounding pressure. The air pump of a vacuum cleaner, for example, drastically reduces the air pressure inside the device, creating a vacuum; the pressure difference causes air to rush into it, carrying dust and debris along with it.
vacuum
- The absence of matter .
Notes
Other Word Forms
- ԴDz·u·ܳ adjective noun plural nonvacuums nonvacua
Word History and Origins
Origin of vacuum1
Word History and Origins
Origin of vacuum1
Example Sentences
Few shots were fired, but Crimea was seized at gunpoint during a power vacuum.
But the cost of a food mixer or a vacuum cleaner from China with the added tariffs are now too high for most American firms to pass on the cost to their customers.
The reports outlines the "difficult position" Merseyside Police faced around publishing details around the suspect but added the lack of information created a "vacuum".
Misogyny and sexism do not exist in a vacuum, argues Dr Hope.
But outside powers helped fuel that civil war for more than a decade, and its neighbours are now eyeing the vacuum left by Assad.
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