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

It’s fitted with a fuzzy pink hood that adds an extra layer of insulation, while two zippered front pockets are a secure place to store your phone and wallet on the go. —Merrell Readman, Travel + Leisure, 13 Dec. 2024

There are five layers of insulation consisting of foam, silicone and stabilizers that ensure a solid typing experience without that annoying and very loud spring recoil that the old IBM-style keyboards had. —Mark Sparrow, Forbes, 12 Dec. 2024

Funding is available for all kinds of other upgrades as well, such as doors, windows and insulation. —Eric Lagatta, Austin American-Statesman, 10 Dec. 2024

Consider adding some extra insulation to your attic and basement areas. —Halee Miller Van Ryswyk, Better Homes & Gardens, 10 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