The part of a building envelope where heat is transferred at a much higher rate than the surrounding area. Windows and doors are two common examples thermal bridging areas. Adding insulating spacers is one way to remedy the problem and minimize rapid heat loss or heat gain.[xxi

Metal cover over components mounted on a PCB with a thermal plane. Specifically to aid heat dissipation.

A thermally conductive material which penetrates or bypasses an insulation system; such as a metal fastener or stud.