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Definition of insulation

insulation

/ˌɪn.səˈleɪ.ʃən/
in · su · la · tion

Plural:insulations
•
Adjective:insulative
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insulation Lexical Profile

insulation Game Scores & Validity

• noun

1

Material used to reduce or prevent the transfer of heat, electricity, or sound.

Example

"We installed thick fiberglass insulation in the attic to keep the house warm during the winter."


2

The act of covering or protecting something with material that prevents the passage of energy.

Example

"Proper insulation of the electrical wiring is crucial to prevent short circuits and fires."


3

A state of being separated or isolated from outside influences, risks, or experiences.

Example

"His immense wealth provided a comfortable insulation from the harsh economic realities of everyday life."

Synonyms
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Antonyms
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• Rhymes for insulation

Word Origin & Etymology

From Late Latin 'insulare' (to make into an island), derived from 'insula' (island). It entered English in the late 16th century, originally meaning isolation, with the modern physical sense applied to electricity and heat developing in the 18th and 19th centuries.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Insulation. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/insulation
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