Definition of “heart attack” - English Dictionary

british dictionary

“heart attack” in American English

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heart attacknoun [ C ]

us /ˈhɑrt̬ əˌtæk/

a sudden and serious physical change in which the heart does not get enough blood, causing damage to the heart and sometimes death:

He’d survived two heart attacks and was very careful about what he ate.

(Definition of “heart attack” from the Cambridge Academic Content Dictionary © Cambridge University Press)