- a substance that does not readily conduct heat, sound, or electricity.
Origin of nonconductor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for nonconductor
All you have to do is wrap your core with a nonconductor, say nylon thread, and presto, nothing comes out.Sense from Thought Divide
Mark Irvin Clifton
Strictly speaking, all substances conduct electricity in some degree, and a nonconductor is merely a bad conductor.Torpedoes and Torpedo Warfare
C. W. Sleeman
On this point he remarks that the evil effects of the scale are due to the fact that it is relatively a nonconductor of heat.
Paper can be so treated that it will either conduct electricity or become a nonconductor, as may be desired.Makers of Many Things
Eva March Tappan
- a substance that is a poor conductor of heat, electricity, or sound
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012