Emerson, in perfect agreement with this estimate says, "Her pen was a non-conductor."
This layer of fat is a non-conductor of cold and in due time is drawn on for food.
Later on I realized my mistake because my French is a non-conductor of profanity.
Mancinelli must for once have wished himself a non-conductor?
Because the down is a non-conductor of heat, and black the warmest colour.
A non-conductor is any substance through which heat will not pass readily.
The non-conductor, as it does not readily absorb the warmth of our bodies.
Economy says, cover the outside of a boiler shell with a non-conductor.
When selenium is rapidly cooled from a fused condition it is a non-conductor.
A non-conductor is simply a reluctant, an excessively slow, conductor.