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English definition of “vacuum”

vacuum

noun     /ˈvækjuːm/
NO AIR [C] a space that has no air or other gas in itPhysics in general
ABSENT [no plural] a situation in which someone or something important is not now in your life and you are unhappy: When her husband died, it left a big vacuum in her life.Empty
(Definition of vacuum noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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