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

• aloneness
• isolation
• privacy
• secludedness
• seclusion
• segregation
• separateness
• sequestration
• solitariness
• solitude

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

These boots are equipped with 200 grams of Thinsulate insulation, ensuring your feet stay warm even in the coldest conditions. —Erica Paige, Travel + Leisure, 8 Jan. 2025

The curtain in front of the shelf removes visual distraction and can also be used as a form of sound insulation, creating a space that is more peaceful and quiet. —Katharina Schwarze, Architectural Digest, 7 Jan. 2025

Workers exposed to asbestos include certain factory workers, miners, insulation installers, shipbuilders, plumbers, and construction workers. —Oliver Eng, Health, 31 Dec. 2024

Many residents lived in houses with poor insulation, and utility bills consumed up to 30% of their incomes, according to city officials. —Marina Lopes, TIME, 18 Dec. 2024

Word History

First Known Use

1798, in the meaning defined at sense 2b

Kids 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

insulate

ˈin(t)-sə-ˌlāt 

transitive verb

insulated; insulating