insulation
noun
in·su·la·tion
ˌin(t)-sə-ˈlā-shən 
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
Chris Jung | Nurphoto | Getty Images North Asian markets are outperforming those in the south of the continent, thanks to tougher insulation from energy shocks, stronger fiscal ability and AI developments, according to a senior Goldman Sachs strategist.
—
Justina Lee, CNBC, 20 May 2026
Others have doubled down on premiumization, assuming insulation at the top.
—Greg Petro, Forbes.com, 19 May 2026
Carpenter ants can also excavate insulation.
—Nafeesah Allen, Better Homes & Gardens, 19 May 2026
If the insulation appears compromised, the cord should be replaced.
—Louise Parks, Martha Stewart, 18 May 2026
See All Example Sentences for insulation
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Justina Lee, CNBC, 20 May 2026
Others have doubled down on premiumization, assuming insulation at the top.
—Greg Petro, Forbes.com, 19 May 2026
Carpenter ants can also excavate insulation.
—Nafeesah Allen, Better Homes & Gardens, 19 May 2026
If the insulation appears compromised, the cord should be replaced.
—Louise Parks, Martha Stewart, 18 May 2026
See All Example Sentences for insulation
Cite this Entry
“Insulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insulation. Accessed 21 May. 2026.
Copy CitationKids Definition
insulation
noun
in·su·la·tion
ˌin(t)-sə-ˈlā-shən
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
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
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