from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. That does not conduct (electricity or heat).

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not conducting; nonconductive; not transmitting a fluid or force; -- used especially of electric current.

from The Century Dictionary and Cyclopedia

  • Not conducting; not transmitting: thus, with respect to electricity, wax is a non-conducting substance.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not able to conduct heat or electricity or sound
  • adj. not able to conduct heat or electricity or sound


non- +‎ conducting (Wiktionary)


  • If possible, stand on something dry and nonconducting, such as a mat or folded newspapers.

    Baby and Child Emergency First Aid

  • Electrical wires can also produce heat and fire if they are left bare—without nonconducting insulation—near flammable material, such as wood or sawdust.


  • In this type of fire, therefore, the extinguishing agent should be nonconducting.


  • Made of tough nonmetallic and nonconducting ceramic, the shocker fired tiny charged pellets to a distance of twenty meters.

    The Mocking Program

  • Nerves that must stimulate organs requiring rapid response—for example, those that might signal the need to remove a finger from a hot surface, or power a leg muscle to run from a hungry lion—are electrically insulated by a fatty molecular layer, a nonconducting lipid sheath known as myelin.


  • These plates are then submitted to pressure, and placed together, with strips of nonconducting material interposed between them, in a suitable vessel containing a bath of acidulated water.

    Scientific American Supplement, No. 344, August 5, 1882

  • It may however be preserved for some hours or even days before it will completely evaporate, by simply placing it in an open vessel surrounded by a nonconducting material.

    An Elementary Study of Chemistry

  • The air is withdrawn from the space between the two walls, thus making it nonconducting.

    An Elementary Study of Chemistry

  • Two light woolen garments are warmer than one heavy one, as there is between them a layer of nonconducting air.

    Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics

  • The surface of the stream soon cools and blackens, and the hard crust of nonconducting rock may grow thick and firm enough to form a tunnel, within which the fluid lava may flow far before it loses its heat to any marked degree.

    The Elements of Geology

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