thermal radiation

noun

, Thermodynamics.

1. electromagnetic radiation emitted by all matter above a temperature of absolute zero because of the thermal motion of atomic particles.

Word History and Origins

Origin of thermal radiation¹

First recorded in 1930–35

Example Sentences

Meanwhile, its Thermal Infrared Sensor will measure Earth’s surface temperature fluctuations by detecting two wavelengths of thermal radiation.

From Popular-Science

In 1859 the Irish physicist John Tyndall identified atmospheric water vapor and carbon dioxide gas, CO2, as main components in absorbing thermal radiation.

From Nautilus

The thermal radiation from walls, trees, or even clouds will diminish the cooling effect.

From Project Gutenberg

Note opposite responses to rise of temperature and to thermal radiation.

From Project Gutenberg

These experiments demonstrate clearly that the responses to rise of temperature and thermal radiation are of opposite signs.

From Project Gutenberg

In the present experiment I applied thermal radiation instead of light.

From Project Gutenberg

The reaction to thermal radiation is thus similar to that of light.

From Project Gutenberg