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- Dictionaryvacuum/ˈvakjuːm/
noun
- 1. a space entirely devoid of matter. Similar
- 2. a vacuum cleaner. Similar
verb
- 1. clean with a vacuum cleaner: "the room needs to be vacuumed"
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If someone or something creates a vacuum, they leave a place or position which then needs to be filled by another person or thing.
a space without any gas or other matter in it, or a space from which most of the air or gas has been removed: Edison knew that he had to create a vacuum inside the lightbulb. fig. No marriage exists in a vacuum (= in a situation where nothing else has any influence).
1. : emptiness of space. 2. a. : a space absolutely devoid of matter. b. : a space partially exhausted (as to the highest degree possible) by artificial means (such as an air pump) c. : a degree of rarefaction below atmospheric pressure. 3. a. : a state or condition resembling a vacuum : void.
Definitions of 'vacuum' 1. If someone or something creates a vacuum, they leave a place or position that then needs to be filled by another person or thing. [...] 2. See in a vacuum [...] 3. A vacuum is a space that contains no air or other gas. [...] More. English for Special Purposes. in Hospitality.
vacuum, space in which there is no matter or in which the pressure is so low that any particles in the space do not affect any processes being carried on there. It is a condition well below normal atmospheric pressure and is measured in units of pressure (the pascal).
A vacuum (pl.: vacuums or vacua) is space devoid of matter. The word is derived from the Latin adjective vacuus (neuter vacuum) meaning "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. [1] .
Definition of vacuum noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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
adj. 1. Of, relating to, or used to create a vacuum. 2. Containing air or other gas at a reduced pressure. 3. Operating by means of suction or by maintaining a partial vacuum. tr. & intr.v. vac·uumed, vac·uum·ing, vac·uums. To clean with or use a vacuum cleaner.
A vacuum is essentially a great lack of something — a place where virtually all matter, even air, has been removed. It can describe something that's literally empty — or something that just seems that way, like a political vacuum.
