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
Now that beta test vehicles have been created, the company will use those to validate ride quality, handling, braking, thermodynamics, aerodynamics and sound insulation calibrations and engineering.
—
Eileen Falkenberg-Hull, MSNBC Newsweek, 4 Sep. 2025
It’s also filled with polyester material for extra insulation between its 100 percent cotton fabric on both sides.
—Caley Sturgill, Southern Living, 3 Sep. 2025
During the period, DyStar achieved a 44 percent reduction in emission intensity through several initiatives ranging from LED lighting upgrades and better equipment insulation to moving high-energy production to more energy-efficient units in other countries.
—Angela Velasquez, Sourcing Journal, 2 Sep. 2025
Solitary bees are well protected in their underground or cavity nest, but leaf litter may provide some insulation for their ground nests.
—Special To The Denver Post, Denver Post, 31 Aug. 2025
See All Example Sentences for insulation
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Eileen Falkenberg-Hull, MSNBC Newsweek, 4 Sep. 2025
It’s also filled with polyester material for extra insulation between its 100 percent cotton fabric on both sides.
—Caley Sturgill, Southern Living, 3 Sep. 2025
During the period, DyStar achieved a 44 percent reduction in emission intensity through several initiatives ranging from LED lighting upgrades and better equipment insulation to moving high-energy production to more energy-efficient units in other countries.
—Angela Velasquez, Sourcing Journal, 2 Sep. 2025
Solitary bees are well protected in their underground or cavity nest, but leaf litter may provide some insulation for their ground nests.
—Special To The Denver Post, Denver Post, 31 Aug. 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 9 Sep. 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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