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
Synonyms
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 double wall vacuum insulation is designed to keep beverages hot and cold for hours on end, plus its multipurpose lid that doubles as a small cup helps to prevent unwanted leaks and spills over important paperwork and worksheets.
—
Casey Clark, Peoplemag, 17 July 2024
The flip side Many thanks to my OUC Energy Inspector for the suggestion to put Styrofoam insulation on my garage interior metal panels.
—Ticked Off, Orlando Sentinel, 16 July 2024
Designed to have better flexibility and motion, provide more visibility and insulation, and have a portable life support system, the suits could serve a crucial role in NASA’s Artemis III mission, which seeks to return astronauts to the moon later this decade, to venture further than ever before.
—Amarachi Orie, CNN, 12 July 2024
The home is equipped with a plethora of eco-conscious amenities including solar panels, geothermal systems for heating/cooling/hot water, energy-efficient ventilation, high-performance windows/insulation, and rain gardens.
—Kaitlyn Keegan, Hartford Courant, 11 July 2024
See all Example Sentences for insulation 
Casey Clark, Peoplemag, 17 July 2024
The flip side Many thanks to my OUC Energy Inspector for the suggestion to put Styrofoam insulation on my garage interior metal panels.
—Ticked Off, Orlando Sentinel, 16 July 2024
Designed to have better flexibility and motion, provide more visibility and insulation, and have a portable life support system, the suits could serve a crucial role in NASA’s Artemis III mission, which seeks to return astronauts to the moon later this decade, to venture further than ever before.
—Amarachi Orie, CNN, 12 July 2024
The home is equipped with a plethora of eco-conscious amenities including solar panels, geothermal systems for heating/cooling/hot water, energy-efficient ventilation, high-performance windows/insulation, and rain gardens.
—Kaitlyn Keegan, Hartford Courant, 11 July 2024
See all Example Sentences for insulation
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'insulation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near insulation
Cite this Entry
“Insulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insulation. Accessed 27 Jul. 2024.
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