insulator definition

  • noun:
    • 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

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