Lagging is special material which is used to cover pipes, water tanks, or the inside of a roof so that heat does not escape from them or so they do not freeze. (mainly BRIT)
N-UNCOUNT
Lagging is special material which is used to cover pipes, water tanks, or the inside of a roof so that heat does not escape from them or so they do not freeze. (mainly BRIT)
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012