INSULATION

n. closing or sealing off; isolation, separation; material which blocks or retards the passage of heat (or electricity, sound, etc.)

Insulation may mean:Building insulation, added to buildings for comfort and energy efficiencyElectrical insulation, materials used to inhibit the conduction of electricitySoundproofing, also known as acoustic insulation, any means of reducing the intensity of soundThermal insulation, materials used to reduce the rate of heat transferIn genetics, an insulator is a regulatory sequence found between enhancers and promotors to improve the gene specificity of regulatory proteins.
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Noun
1. the state of being isolated or detached; "the insulation of England was preserved by the English Channel"
(synonym) insularity, insularism, detachment
(hypernym) isolation
(derivation) isolate, insulate
2. a material that reduces or prevents the transmission of heat or sound or electricity
(synonym) insulating material, insulant
(hypernym) building material
(hyponym) lagging
(derivation) insulate
3. the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
(hypernym) protection
(hyponym) lining
(derivation) insulate

(n.)
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.
  

(n.)
The act of insulating, or the state of being insulated; detachment from other objects; isolation.
  

Synonyms and related words:
Jim Crow, aegis, alien, apartheid, buffer, bulwark, bumper, color bar, contraceptive, copyright, crash helmet, cushion, dashboard, division, dodger, ethnocentrism, exclusiveness, face mask, fender, finger guard, foot guard, foreigner, fuse, goggles, governor, guard, guardrail, hand guard, handrail, hard hat, helmet, insularity, interlock, isolation, knee guard, know-nothingism, knuckle guard, laminated glass, life preserver, lifeline, lightning conductor, lightning rod, mask, mudguard, narrowness, nose guard, out-group, outcast, outsider, pad, padding, palladium, parochialism, patent, persona non grata, pilot, preventive, prophylactic, protective clothing, protective umbrella, quarantine, race hatred, racial segregation, safeguard, safety, safety glass, safety plug, safety rail, safety shoes, safety switch, safety valve, screen, seat belt, seclusion, segregation, separation, shield, shin guard, snobbishness, stranger, sun helmet, tightness, umbrella, windscreen, windshield, xenophobia