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
The apartment has also been updated with new windows, modern HVAC with humidification, upgraded insulation, and integrated water filtration systems.
—
Abby Montanez, Robb Report, 10 Apr. 2026
The show’s name referred to their self-identification as helpless babies overwhelmed by the pressures of modernity, comforted only by coating themselves in fancy serums and moisturizers to recreate the peaceful, placental insulation of the womb.
—Literary Hub, 9 Apr. 2026
It’s filled with a lightweight synthetic insulation and comes in long and regular lengths.
—Olivia Young, Travel + Leisure, 9 Apr. 2026
Osborne initially worked with other employees to complete the demolition of interior walls, removal, insulation and general clean-up, according to a probable cause affidavit.
—Sofia Saric, Miami Herald, 7 Apr. 2026
See All Example Sentences for insulation
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Abby Montanez, Robb Report, 10 Apr. 2026
The show’s name referred to their self-identification as helpless babies overwhelmed by the pressures of modernity, comforted only by coating themselves in fancy serums and moisturizers to recreate the peaceful, placental insulation of the womb.
—Literary Hub, 9 Apr. 2026
It’s filled with a lightweight synthetic insulation and comes in long and regular lengths.
—Olivia Young, Travel + Leisure, 9 Apr. 2026
Osborne initially worked with other employees to complete the demolition of interior walls, removal, insulation and general clean-up, according to a probable cause affidavit.
—Sofia Saric, Miami Herald, 7 Apr. 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 13 Apr. 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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