nonconductor

Definitions of nonconductor
  1. noun
    a material such as glass or porcelain with negligible electrical or thermal conductivity
    synonyms: dielectric, insulator
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    Antonyms:
    conductor
    a substance that readily conducts e.g. electricity and heat
    types:
    bushing
    an insulating liner in an opening through which conductors pass
    mineral wool, rock wool
    a light fibrous material used as an insulator
    glass wool
    glass fibers spun and massed into bundles resembling wool
    type of:
    material, stuff
    the tangible substance that goes into the makeup of a physical object
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