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insulation

American  
[in-suh-ley-shuhn, ins-yuh-] / ˌɪn səˈleɪ ʃən, ˌɪns yə- /

noun

  1. material used for insulating.

  2. the act of insulating.

  3. the state of being insulated.

insulation British  
/ ˌɪnsjʊˈleɪʃən /

noun

  1. Also called: insulant.  material used to insulate a body, device, or region

  2. 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

Other Word Forms

  • preinsulation noun

Etymology

Origin of insulation

First recorded in 1790–1800; insulate + -ion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Banks then also typically get layers of insulation from the underlying loans going bad.

From The Wall Street Journal

Both private and official surveys indicated a marked increase in price pressures, with economists noting China’s relative insulation from Middle East conflict.

From The Wall Street Journal

The Scottish Liberal Democrat leader Alex Cole-Hamilton has called for an emergency insulation programme to protect people from rising energy costs.

From BBC

Properties no longer need to have existing loft or cavity wall insulation to qualify for the grant, which can save around £2,500 in upfront costs.

From BBC

But it said it was not aware of homes using cigarette materials as insulation in the local area.

From BBC

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.