- 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 non-conductor
Emerson, in perfect agreement with this estimate says, "Her pen was a non-conductor."Daughters of the Puritans
Seth Curtis Beach
This layer of fat is a non-conductor of cold and in due time is drawn on for food.The Grizzly
Enos A. Mills
Later on I realized my mistake because my French is a non-conductor of profanity.An African Adventure
Isaac F. Marcosson
Mancinelli must for once have wished himself a non-conductor?
Because the down is a non-conductor of heat, and black the warmest colour.The Reason Why
- 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