insulation

noun
in·​su·​la·​tion | \ ˌin(t)-sə-ˈlā-shən How to pronounce insulation (audio) \

Definition of insulation

1a : the action of insulating
b : the state of being insulated
2 : material used in insulating

Keep scrolling for more

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 rotten floor was ripped up and carted away, replaced by a layer of Roxul insulation (the vermin don’t like it, nor does moisture) and this sweet tongue-in-groove pine floor from a local (well, two hours away) mill. Popular Mechanics Editors, Popular Mechanics, "How To Live Off the Grid," 10 June 2019 The quiet comes from the heavy cork padding under the wooden floors and a layer of acoustic insulation sandwiched between a double-layer of drywall. Howie Kahn, WSJ, "The Hotel Where You’ll Be ‘Sleep-Coached’ Into Bed," 27 Mar. 2019 Foams are ubiquitous in everyday life, found in foods (whipped cream), beverages (beer, cappuccino), shaving cream and hair-styling mousse, packing peanuts, building insulation, flame-retardant materials, and so forth. Jennifer Ouellette, Ars Technica, "Two new papers explore the complicated physics behind bubbles and foams," 19 June 2019 After the flowers and their seeds are removed and processed, the remaining fiber can be used for animal feed, as a concrete strengthener or as insulation, among other uses, Pullen said. Washington Post, "State, federal laws now allow Arizona farmers to grow hemp," 7 June 2019 Instead of wood and insulation, its walls are made of composite aluminum filled with highly insulating expandable foam. James Lynch, Popular Mechanics, "A NASA Architect Designed a Camper," 25 May 2019 Items included leftover carpeting, insulation, gardening equipment, fertilizer, building materials, drywall, tools, children's furniture, paint, landscaping brick, drywall and trim. Karen Farkas, cleveland.com, "Huntington Convention Center's reduce, reuse, recycle program benefits the community," 13 Mar. 2018 Ease up on the air conditioner in summer, turn down the heat by a degree or two in winter, and add insulation or make other energy-efficient upgrades. Jon Gorey, BostonGlobe.com, "Meet the extreme savers, on a mission to retire early," 14 June 2019 A few years ago the church replaced the roof, adding insulation in the process. Anchorage Daily News, "Repairs to downtown Anchorage church snowball after additional damage is found," 13 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'insulation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of insulation

1798, in the meaning defined at sense 1a

Keep scrolling for more

Learn More about insulation

Statistics for insulation

Last Updated

16 Jul 2019

Look-up Popularity

Time Traveler for insulation

The first known use of insulation was in 1798

See more words from the same year

Keep scrolling for more

More Definitions for insulation

insulation

noun

English Language Learners Definition of insulation

: a material or substance that is used to stop heat, electricity, or sound from going into or out of something : a material that insulates something
: the quality or state of being insulated
: the act of insulating something

insulation

noun
in·​su·​la·​tion | \ ˌin-sə-ˈlā-shən How to pronounce insulation (audio) \

Kids Definition of insulation

1 : material that is used to stop the passage of electricity, heat, or sound from one conductor to another
2 : the act of insulating : the state of being insulated insulation of wires

insulation

noun
in·​su·​la·​tion | \ ˌin(t)-sə-ˈlā-shən How to pronounce insulation (audio) \

Medical Definition of insulation

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

Other Words from insulation

insulate \ ˈin(t)-​sə-​ˌlāt How to pronounce insulate (audio) \ transitive verb insulated; insulating

Keep scrolling for more

Comments on insulation

What made you want to look up insulation? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an act or instance of editing or removing

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!