Insulation - Definition

n 1: the state of being isolated or detached; "the insulation of
England was preserved by the English Channel" [syn:
insulation, insularity, insularism, detachment]
2: a material that reduces or prevents the transmission of heat
or sound or electricity [syn: insulating material,
insulant, insulation]
3: the act of protecting something by surrounding it with
material that reduces or prevents the transmission of sound
or heat or electricity