A material that insulates, particularly a nonconductor of sound, heat, or electrical energy.
A device that insulates.
A substance that will not send temperature (thermal insulator), sound (acoustic insulator) or electrical energy (electrical insulator).
A non-conductive structure, finish or product that does not transmit noise, heat or electrical energy (see picture)
One who, or whatever, insulates.
A substance or object that insulates; a nonconductor.
one that or what insulates; specifically, a substance or human body that interrupts the interaction of electricity or heat to surrounding things; a non-conductor; any such thing whereby an electric current cannot pass.
a material such as glass or porcelain with negligible electric or thermal conductivity