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
One example of this is investing in new windows only to find out that the house does not have adequate insulation.
—
Brynn Cooksey, Forbes.com, 29 Apr. 2025
The venerable list of items that every hiker should take with them into the backcountry pays equal weight to insulation, fire-starters, and, of course tools.
—Wes Siler, Outside Online, 24 Apr. 2025
The latest models of picnic baskets are packed with smart features including insulation, loads of pockets, and even full dining sets.
—Anne Taylor, Travel + Leisure, 23 Apr. 2025
Outdoor: These durable cat houses are constructed from weather-resistant materials and often feature insulation or heating for cold nights outdoors.
—Bestreviews, Mercury News, 21 Apr. 2025
See All Example Sentences for insulation
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Brynn Cooksey, Forbes.com, 29 Apr. 2025
The venerable list of items that every hiker should take with them into the backcountry pays equal weight to insulation, fire-starters, and, of course tools.
—Wes Siler, Outside Online, 24 Apr. 2025
The latest models of picnic baskets are packed with smart features including insulation, loads of pockets, and even full dining sets.
—Anne Taylor, Travel + Leisure, 23 Apr. 2025
Outdoor: These durable cat houses are constructed from weather-resistant materials and often feature insulation or heating for cold nights outdoors.
—Bestreviews, Mercury News, 21 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 3 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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