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English definition of “insulation”

insulation

noun [U]     /ˌɪnsjəˈleɪʃən/
MATERIAL a special material used for insulating something such as a wall , roof , or building Building materials
PROCESS/CONDITION the process of insulating something, or being insulated Isolating and separating
(Definition of insulation noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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