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
From planting trees after every project to implementing advanced insulation systems and solar integration, Good Earth Builders is leading the way in eco-conscious development, proving that responsible construction is both possible and necessary.
—
Connie Etemadi, USA Today, 19 July 2025
The hot condenser coils warm the water, and the insulation keeps it warm until it’s needed.
—Erik Kobayashi-Solomon, Forbes.com, 17 July 2025
Pay special attention to the spaces around your windows and doors and create air-tight seals there with a weatherstripping foam or insulation kit.
—Hallie Milstein, Southern Living, 17 July 2025
Based on the current map, Wilmette homes and schools would not benefit from the sound insulation program, El Metennani said.
—Jennifer Johnson, Chicago Tribune, 10 July 2025
See All Example Sentences for insulation
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Connie Etemadi, USA Today, 19 July 2025
The hot condenser coils warm the water, and the insulation keeps it warm until it’s needed.
—Erik Kobayashi-Solomon, Forbes.com, 17 July 2025
Pay special attention to the spaces around your windows and doors and create air-tight seals there with a weatherstripping foam or insulation kit.
—Hallie Milstein, Southern Living, 17 July 2025
Based on the current map, Wilmette homes and schools would not benefit from the sound insulation program, El Metennani said.
—Jennifer Johnson, Chicago Tribune, 10 July 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 29 Jul. 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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