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
Snow may actually help them by adding another layer of insulation.
—
Alex Kuffner, The Providence Journal, 14 Feb. 2026
The leather of both has softened with age, but there are no cracks in their surfaces, the insulation is still lofty enough for thermal efficiency, and neither the Give’r nor the Kinco’s extended cuffs have stretched beyond normal wear.
—Maggie Slepian, Outside, 13 Feb. 2026
The promise of this hedging strategy lies in diversification, diplomatic optionality, and insulation from tariff shocks.
—Dewardric L. McNeal, CNBC, 13 Feb. 2026
Their facility specializes in insulation and is at 5916 County Road 49.
—Emma Hall, Sacbee.com, 12 Feb. 2026
See All Example Sentences for insulation
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.
Alex Kuffner, The Providence Journal, 14 Feb. 2026
The leather of both has softened with age, but there are no cracks in their surfaces, the insulation is still lofty enough for thermal efficiency, and neither the Give’r nor the Kinco’s extended cuffs have stretched beyond normal wear.
—Maggie Slepian, Outside, 13 Feb. 2026
The promise of this hedging strategy lies in diversification, diplomatic optionality, and insulation from tariff shocks.
—Dewardric L. McNeal, CNBC, 13 Feb. 2026
Their facility specializes in insulation and is at 5916 County Road 49.
—Emma Hall, Sacbee.com, 12 Feb. 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 18 Feb. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
