LAGGING


Meaning of LAGGING in English

[noun] [U]Lagging is the thick layer of material which is used to cover pipes, water tanks (= large containers) and other surfaces in order to stop the heat from escaping or esp. water freezing.The Cold Weather Code advises you to ensure that you have thick lagging around pipes and tanks with no parts left uncovered.The existing lagging is bulky and inefficient.

Cambridge English vocab.      Кембриджский английский словарь.