insulation

noun

in·​su·​la·​tion ˌin(t)-sə-ˈlā-shən How to pronounce insulation (audio)
1
: material used in insulating
2
a
: the state of being insulated
b
: the action of insulating

Examples of insulation in a Sentence

These materials provide the insulation needed in cold weather. she had grown up in such rural insulation that she'd never met anyone of a different race
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Gómez added a lot of retrofit work will be around insulation and meeting new energy efficiency standards. Jamie Hailstone, Forbes, 21 Jan. 2025 The difference is probably due to imperfect insulation. Rhett Allain, WIRED, 17 Jan. 2025 Popcorn ceilings can hide imperfections, such as nail pops and seams from installation, as well as provide sound insulation and noise reduction in the space and between the floors in multilevel homes, Guevara noted. Michael Gfoeller and David H. Rundell, Newsweek, 16 Jan. 2025 Hyundai's new global CEO is touting the Korean carmaker's expanding U.S. footprint as the best insulation against potential tariffs under a second Trump administration. Joann Muller, Axios, 15 Jan. 2025 See all Example Sentences for insulation 

Word History

First Known Use

1798, in the meaning defined at sense 2b

Time Traveler
The first known use of insulation was in 1798

Dictionary Entries Near insulation

Cite this Entry

“Insulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insulation. Accessed 2 Feb. 2025.

Kids Definition

insulation

noun
in·​su·​la·​tion ˌin(t)-sə-ˈlā-shən How to pronounce insulation (audio)
1
: the act of insulating : the state of being insulated
2
: material used in insulating

Medical Definition

insulation

noun
in·​su·​la·​tion ˌin(t)-sə-ˈlā-shən How to pronounce insulation (audio)
1
: the action of separating a conductor from conducting bodies by means of nonconductors so as to prevent transfer of electricity, heat, or sound
also : the state resulting from such action
2
: material used to provide insulation
insulate transitive verb
insulated; insulating

More from Merriam-Webster on insulation

Last Updated: - Updated example sentences
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