thermal radiation

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Related to Thermal radiator: thermal emission

thermal radiation

[′thər·məl ‚rād·ē′ā·shən]
(thermodynamics)

thermal radiation

The transmission of heat from a hot surface to a cooler one in the form of invisible electromagnetic waves, which, on being absorbed by the cooler surface, raise the temperature of that surface without warming the space between.
References in periodicals archive ?
One interpretation of those deviations was that the universe was somehow a more efficient emitter of radiation than a blackbody -- a contadication in terms, as a blackbody is defined as a perfect thermal radiator. The other horn of the dilemna was to suppose that something other than a thermal radiator was contributing and thereby complicating the cosmological evidence.
The Class A/B audio amplifier, a traditional audio system workhorse, is a power pig that requires expensive supply systems to provide the necessary current and thermal radiators to help dissipate the heat.
Ceiling panels act as thermal radiators and, says Sobek, there is no need for additional heating.