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English definition of “drain”

drain

noun     /dreɪn/
[C] a pipe or hole that takes away waste liquids or water: She poured the dirty water down the drain.Plumbing and pipes and sewage
a drain on sth something that uses or wastes a lot of money or energy: Keeping these people in prison is a huge drain on government finances.Becoming and making smaller or lessBecoming and making less strong
(Definition of drain noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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