vacuum

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vacuum /v'ækjuːm, -juːəm/ (vacuums vacuuming vacuumed)
1 [N-COUNT] usu sing, oft supp N
If someone or something creates a vacuum, they leave a place or position which then needs to be filled by another person or thing.
His presence should fill the power vacuum which has been developing over the past few days.
2 [PHRASE] PHR after v
If something is done in a vacuum, it is not affected by any outside influences or information.
Moral values cannot be taught in a vacuum...
3 [VERB] V n, V
If you vacuum something, you clean it using a vacuum cleaner.
I vacuumed the carpets today...
It's important to vacuum regularly.
4 [N-COUNT] usu sing
A vacuum is a space that contains no air or other gas.vacuum bot|tle (vacuum bottles)
[N-COUNT]
A vacuum bottle is the same as a vacuum flask. (AM)vacuum clean|er (vacuum cleaners)
also vacuum-cleaner
[N-COUNT]
A vacuum cleaner or a vacuum is an electric machine which sucks up dust and dirt from carpets.vacuum flask (vacuum flasks)
[N-COUNT]
A vacuum flask is a container which is used to keep hot drinks hot or cold drinks cold. It has two thin silvery glass walls with a vacuum between them. (BRIT; in AM, usually use Thermos, vacuum bottle)

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