insulation
NounUS[in-suh-ley-shuhn]/ˌɪnsəˈleɪʃən/4 syllables
Open English WordNet
Noun (3)
- the state of being isolated or detached“the insulation of England was preserved by the English Channel”Synonyms: insularityinsularismdetachmentType of isolation
- insulating material that reduces or prevents the transmission of heat or sound or electricitySynonyms: insulantType of building materialKinds corkboard, laggingMade of cellular glass, expanded glass
- the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricityType of protectionKinds lining
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irascibleadjective
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Webster's Dictionary (1913)
In′su·la′tion noun
1. The act of insulating, or the state of being insulated; detachment from other objects; isolation.
2. Elec. & Thermotics The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity or of heat; also, the state of a body so separated.
3. The material or substance used to insulate from either electrical or thermal conduction; as, fiberglass is used as thermal insulation in the walls and roofs of houses.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54 · with additions: +PJC, 1913 supplement