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English definition of “lagging”


noun [U]     /ˈlæɡ.ɪŋ/
a thick layer of material used to cover pipes , water tanks (= large containers ), and other surfaces in order to stop heat from escaping or water from freezing Building materialsCoverings and layers
(Definition of lagging noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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