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vacuum - definition and synonyms


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noun vacuum pronunciation in British English /ˈvækjʊəm/
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  1. 1
    [countable] physics a space that has had all the air and any other gases removed from it
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  2. 2
    [singular] a feeling that something is missing, or a situation in which something is missing
    political/power vacuum: the political vacuum left by his unexpected death
    create a vacuum: The collapse of the dictatorship created a vacuum in which criminal gangs flourished.
    fill a vacuum (=replace something): They need something to fill the vacuum left by the end of Marxism.


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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