WordNet
thermal barrier
n. a limit to high speed flight imposed by aerodynamic heating [syn: heat barrier]
Usage examples of "thermal barrier".
At the entrance was a bank of air-conditioning vents to form a thermal barrier of sorts, and the returns were mainly in the center of the exhibit hall.
There was a tiny thermal barrier between the hexes, not to keep anyone from crossing through but to provide a small bit of insulation between such different places.
The pressure suit had provided an excellent thermal barrier between Austin and the fire that swept the cockpit.
He pushed past her, through the thermal barrier, and outdoors onto the wharf once more.