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
Thick insulation foam required for a massive refrigeration operation, solar panels and refrigerants were burned, leaving many residents on edge.
—
Tony Briscoe,
Los Angeles Times,
2 July 2026
Tech comes for classic charcoal cooking Kamado Joe’s Konnected Joe, released in 2023, has strapped upgrades onto its traditional kamado, a heavy clay vessel that naturally holds very consistent temperatures thanks to its excellent insulation.
—
Noah Kaufman,
Bon Appetit Magazine,
1 July 2026
From the drywall, insulation, and ceiling panels that create quiet, comfortable spaces in university buildings — every component is researched, designed, manufactured, and installed by people.
—
Mark Rayfield,
Fortune,
1 July 2026
In addition to keeping cold items cold, the same insulation and thick walls can keep fresh barbecue and foods off the grill hot.
—
Terri Williams,
Forbes.com,
1 July 2026
See All Example Sentences for insulation
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Tony Briscoe,
Los Angeles Times,
2 July 2026
Tech comes for classic charcoal cooking Kamado Joe’s Konnected Joe, released in 2023, has strapped upgrades onto its traditional kamado, a heavy clay vessel that naturally holds very consistent temperatures thanks to its excellent insulation.
—
Noah Kaufman,
Bon Appetit Magazine,
1 July 2026
From the drywall, insulation, and ceiling panels that create quiet, comfortable spaces in university buildings — every component is researched, designed, manufactured, and installed by people.
—
Mark Rayfield,
Fortune,
1 July 2026
In addition to keeping cold items cold, the same insulation and thick walls can keep fresh barbecue and foods off the grill hot.
—
Terri Williams,
Forbes.com,
1 July 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 3 Jul. 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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