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English definition of “vacuum”

vacuum

noun uk   /ˈvæk.juːm/ us  

vacuum noun (EMPTY SPACE)

[C or U] a space from which most or all of the matter has been removed, or where there is little or no matter [S] a lack of something: The withdrawal of troops from the area has created a security vacuum which will need to be filled. in a vacuum kept separate from other people and activities: No artist works in a vacuum - we are all of us influenced by others.

vacuum noun (CLEANER)

[C] a vacuum cleaner

vacuum

verb [I or T] uk   /ˈvæk.juːm/ (UK also hoover) us  
to use a vacuum cleaner to collect dust, dirt, etc.: Vacuum (up) the cake crumbs, would you?
(Definition of vacuum from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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