insulation Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “insulation” in the English Dictionary

"insulation" in British English

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insulationnoun [U]

uk   /ˌɪn.sjəˈleɪ.ʃən/ us   /ˌɪn.səˈleɪ.ʃən/
the act of covering something to stop heat, sound, or electricity from escaping or entering, or the fact that something is covered in this way: The animal's thick fur provides very good insulation against the arctic cold.
material that is used to stop heat, sound, or electricity from escaping or entering: Glass fibre is often used as roof insulation.
(Definition of insulation from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"insulation" in American English

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insulationnoun [U]

us   /ˌɪn·səˈleɪ·ʃən/
the substance used in insulating: Rubber is better insulation than cloth for electric wiring.
(Definition of insulation from the Cambridge Academic Content Dictionary © Cambridge University Press)

"insulation" in Business English

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insulationnoun [U]

uk   /ˌɪnsjəˈleɪʃən/ us  
the fact of being protected from something harmful: insulation against/from sth Their large customer base gives them a degree of insulation from the economic downturn.
(Definition of insulation from the Cambridge Business English Dictionary © Cambridge University Press)
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