noun
[ U ] ( symb CO ) a poisonous gas formed when carbon burns partly but not completely. It is produced when petrol / gas is burnt in car engines.
noun
[ U ] ( symb CO ) a poisonous gas formed when carbon burns partly but not completely. It is produced when petrol / gas is burnt in car engines.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005