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English definition of “sanitarium”

sanitarium

noun [C]  /ˌsæn·ɪˈteər·i·əm/ (also sanatorium,  /ˌsæn·ɪˈtɔr·i·əm, -ˈtoʊr-/) us  
(esp. in the past) a type of hospital for people who needed long periods of rest and treatment for their illnesses: She died of tuberculosis at a sanitarium in Saranac Lake, N.Y., in 1914.
(Definition of sanitarium from the Cambridge Academic Content Dictionary © Cambridge University Press)
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