American English

Definition of sanatorium noun from the Oxford Advanced American Dictionary

 

sanatorium

 noun
noun
NAmE//ˌsænəˈtɔriəm//
 
(also sanitarium
NAmE//ˌsænəˈtɛriəm//
 
)
(pl. sanatoriums, sanitariums, (or )sanatoria
NAmE//ˌsænəˈtɛriə//
 
, sanitaria)
 
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a place like a hospital where patients who have a lasting illness or who are getting better after an illness are treated
See the Oxford Advanced Learner's Dictionary entry: sanatorium