Graphite is a soft black substance that is a form of carbon. It is used in pencils and electrical equipment.
N-UNCOUNT
Graphite is a soft black substance that is a form of carbon. It is used in pencils and electrical equipment.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012