insulation

play
noun in·su·la·tion \ˌin(t)-sə-ˈlā-shən\

Definition of insulation

  1. 1a :  the action of insulatingb :  the state of being insulated

  2. 2 :  material used in insulating

Examples of insulation in a Sentence

  1. These materials provide the insulation needed in cold weather.

  2. she had grown up in such rural insulation that she'd never met anyone of a different race

Recent Examples of insulation from the Web

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.

First Known Use of insulation

1798


INSULATION Defined for English Language Learners

insulation

play
noun

Definition of insulation for English Language Learners

  • : 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 Defined for Kids

insulation

play
noun in·su·la·tion \ˌin-sə-ˈlā-shən\

Definition of insulation for Students

  1. 1 :  material that is used to stop the passage of electricity, heat, or sound from one conductor to another

  2. 2 :  the act of insulating :  the state of being insulated insulation of wires


Medical Dictionary

insulation

play
noun in·su·la·tion \ˌin(t)-sə-ˈlā-shən\

Medical Definition of insulation

  1. 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. 2:  material used to provide insulation

insulate

\ˈin(t)-sə-ˌlāt\play transitive verb

insulated

;

insulating



Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

set in a bent position

Get Word of the Day daily email!

Test Your Vocabulary

The Emoji Quiz

  • emoji-the-quiz
  • What phase of the moon is this: 🌖 ?
Spell It

Can you spell these 10 commonly misspelled words?

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!