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English definition of “rehab”

rehab

noun [U] uk   /ˈriː.hæb/ informal us  
the process of helping someone to stop taking drugs or alcohol: She's just finished four months of rehab. a rehab clinic After his arrest in 2011, he checked himself into rehab to get over his heroin addiction.
(Definition of rehab from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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