(~s)
An ~ is a serious medical condition that occurs when an artery becomes blocked, usually by a blood clot.
N-COUNT: oft adj N
(~s)
An ~ is a serious medical condition that occurs when an artery becomes blocked, usually by a blood clot.
N-COUNT: oft adj N
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012