You searched for: “athermancy”
athermancy
1. Impermeability to heat (no heat passing through).
2. The inability of a substance to transmit infrared radiation or radiant heat.
This entry is located in the following unit: thermo-, therm-, thermi-, -thermia, -therm, -thermal, -thermic, -thermias, -thermies, -thermous, -thermy (page 2)