Insulation

//ˌɪnsjʊˈleɪʃən// noun

noun ·Moderate ·High school level

Definitions

Noun
  1. 1
    The act of insulating; detachment from other objects; isolation. countable, uncountable

    "Reindeer are well suited to the taiga’s frigid winters. They can maintain a thermogradient between body core and the environment of up to 100 degrees, in part because of insulation provided by their fur, and in part because of counter-current vascular heat exchange systems in their legs and nasal passages."

  2. 2
    the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity wordnet
  3. 3
    The state of being insulated; detachment from other objects; isolation. countable, uncountable
  4. 4
    the state of being isolated or detached wordnet
  5. 5
    Any of a variety of materials designed to reduce the flow of heat, either from or into a building. countable, uncountable
Show 4 more definitions
  1. 6
    insulating material that reduces or prevents the transmission of heat or sound or electricity wordnet
  2. 7
    The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity, heat, or sound countable, uncountable
  3. 8
    The state of a body so separated. countable, uncountable
  4. 9
    a medium in which it is possible to maintain an electrical field with little supply of energy from additional sources. countable, uncountable

Example

More examples

"The noise was deadened by the insulation."

Etymology

From insulate + -ion.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.