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English definition of “open-heart surgery”

open-heart surgery

noun [U]     /ˌəʊ.pən.hɑːtˈsɜː.dʒər.i/ US  /ˌoʊ.pən.hɑːrtˈsɜːr.dʒɚ-/
a medical operation in which the body is cut open and the heart is repaired , while the body's blood is kept flowing by a machine Surgery
(Definition of open-heart surgery noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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