If a car engine is ~, it has more air than normal forced into it so that the petrol burns more quickly and the car has more power.
ADJ
If a car engine is ~, it has more air than normal forced into it so that the petrol burns more quickly and the car has more power.
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012