(~s)
An ~ is a substance, usually a liquid, which electricity can pass through. (TECHNICAL)
N-COUNT
(~s)
An ~ is a substance, usually a liquid, which electricity can pass through. (TECHNICAL)
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012