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English definition of “open-heart surgery”

open-heart surgery

noun [C/U]    /ˈoʊ·pənˈhɑrt ˌsɜr·sʒɜr·i/
a medical operation in which the heart is repaired while the body’s blood is kept flowing by a machine
(Definition of open-heart surgery noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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