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
Even during the typically slower quarter, Booking’s international orientation—representing nearly 90% of revenue—provides insulation against U.S. macroeconomic challenges faced by competitors like Airbnb.
—
Trefis Team, Forbes.com, 5 May 2025
Plants can be further protected against cold weather through careful site selection and by applying extra insulation around containers.
—Kim Toscano, Southern Living, 3 May 2025
The units feature wood-frame exterior walls with insulation, as well as up-to-code plumbing and wiring, officials said.
—Ryan MacAsero, Mercury News, 17 Apr. 2025
Homes with water leaks, or poor insulation, for example, won’t make for a sustainable home.
—Kristine Gill, Better Homes & Gardens, 16 Apr. 2025
See All Example Sentences for insulation
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Trefis Team, Forbes.com, 5 May 2025
Plants can be further protected against cold weather through careful site selection and by applying extra insulation around containers.
—Kim Toscano, Southern Living, 3 May 2025
The units feature wood-frame exterior walls with insulation, as well as up-to-code plumbing and wiring, officials said.
—Ryan MacAsero, Mercury News, 17 Apr. 2025
Homes with water leaks, or poor insulation, for example, won’t make for a sustainable home.
—Kristine Gill, Better Homes & Gardens, 16 Apr. 2025
See All Example Sentences for insulation
Cite this Entry
“Insulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insulation. Accessed 20 May. 2025.
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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