vacuum - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “vacuum”

See all translations

vacuum

noun uk   us   /ˈvæk.juːm/

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)

vacuum

verb [I or T] uk   us   /ˈvæk.juːm/ (UK also hoover)
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)
What is the pronunciation of vacuum?
Add Cambridge dictionaries to your browser to your website

Definitions of “vacuum” in other dictionaries

Word of the Day

decider

a final game or competition that allows one person or team to win, or the winning point scored

Word of the Day

What’s All The Commotion About? (Words to describe sounds)

by Kate Woodford,
May 20, 2015
​​​ In this post we look at a range of words and phrases that we use to describe noise and the absence of noise. Starting with complete quiet, we sometimes use the noun hush to describe silence: A hush fell over the room as the bride walked in./There was a deathly hush (=complete

Read More 

ancestral health noun

May 25, 2015
diet based on the presumed diet of our Palaeolithic ancestors ‘Ancestral health,’ to use a term popular among Paleo followers, has gone mass.

Read More