vacuum (C1)
noun
Pronunciation: /ˈvæk.juːm/
Definition
A space entirely devoid of matter, or a region where the pressure is very much lower than that of the atmosphere.
Examples
The experiment required creating a near-perfect vacuum to observe the particle interactions.
In outer space, there is a vast vacuum between the stars and planets.
The scientist pumped the air out of the chamber to achieve a high vacuum.
How to Use vacuum
- vacuum out (phrasal verb)
- To remove dirt or matter using a vacuum cleaner or by creating a vacuum. — "They had to vacuum out the dust from the ventilation system."
- vacuum cleaner (collocation)
- An electrical appliance for cleaning floors and furniture by suction. — "She bought a new vacuum cleaner with a powerful suction."
Synonyms of vacuum
Words with a similar meaning to vacuum:
Antonyms of vacuum
Words with the opposite meaning to vacuum:
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