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 federal government helps low-income people with their power bill through the LIHEAP program, and Miami-Dade funds a program that helps low-income homeowners make energy-efficient upgrades to their homes, like adding insulation or upgrading to a more efficient AC.
—
Alex Harris, Miami Herald, 21 Mar. 2025
To maintain the historic façades, GRT tucked the necessary insulation along the inner walls, which in turn grew to as thick as 17 inches.
—Sam Cochran, Architectural Digest, 18 Mar. 2025
Styles is frequently captured by paparazzi wearing Anderson’s designs, such as a navy bomber jacket filled with enough puffer insulation to create an inflated silhouette.
—Rebecca Mead, The New Yorker, 17 Mar. 2025
From wrapping outdoor faucets to checking insulation, there are plenty of home maintenance tasks Southerners know to take care of before that rare winter weather arrives.
—Betsy Cribb Watson, Southern Living, 16 Mar. 2025
See All Example Sentences for insulation
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Alex Harris, Miami Herald, 21 Mar. 2025
To maintain the historic façades, GRT tucked the necessary insulation along the inner walls, which in turn grew to as thick as 17 inches.
—Sam Cochran, Architectural Digest, 18 Mar. 2025
Styles is frequently captured by paparazzi wearing Anderson’s designs, such as a navy bomber jacket filled with enough puffer insulation to create an inflated silhouette.
—Rebecca Mead, The New Yorker, 17 Mar. 2025
From wrapping outdoor faucets to checking insulation, there are plenty of home maintenance tasks Southerners know to take care of before that rare winter weather arrives.
—Betsy Cribb Watson, Southern Living, 16 Mar. 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 Mar. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share