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insulation

[ in-suh-ley-shuhn, ins-yuh- ]
/ ˌɪn səˈleɪ ʃən, ˌɪns yə- /
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noun
material used for insulating.
the act of insulating.
the state of being insulated.
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Origin of insulation

First recorded in 1790–1800; insulate + -ion

OTHER WORDS FROM insulation

pre·in·su·la·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use insulation in a sentence

British Dictionary definitions for insulation

insulation
/ (ˌɪnsjʊˈleɪʃən) /

noun
Also called: insulant (ˈɪnsjʊlənt) material used to insulate a body, device, or region
the act or process of insulating
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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