noun, plural di·a·ther·man·cies.
Origin of diathermancy
Examples from the Web for diathermancy
The Diathermancy of Ebonite, by some incomprehensible process, drove her bewildered mind back on her old companion.
Have you ever heard, my dear, of the Diathermancy of Ebonite?
Diathermancy, the property that is possessed in various degrees by different substances, of transmitting radiant heat.
The diathermancy of the plates in every case decreases very rapidly as their thickness is increased.