Insulation
WordNet
noun
(1) The act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
(2) The state of being isolated or detached
"The insulation of England was preserved by the English Channel"
(3) A material that reduces or prevents the transmission of heat or sound or electricity
WiktionaryText
Noun
- The act of insulating, or the state of being insulated; detachment from other objects; isolation.
- Any of a variety of materials designed to reduce the flow of heat, either from or into a building.
- The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity, heat, or sound
- The state of a body so separated.
- a medium in which it is possible to maintain an electrical field with little supply of energy from additional sources.