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Synonyms

thermal radiation

American  

noun

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


Etymology

Origin of thermal radiation

First recorded in 1930–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Their discoveries showed that black holes have entropy and can emit thermal radiation.

From Science Daily ● Jul. 21, 2026

Systems known as thermophotovoltaics generate electricity from heat by converting thermal radiation into usable power.

From Science Daily ● Jun. 8, 2026

All hot bodies emit light, and a universal principle known as Kirchhoff’s law of thermal radiation states that reciprocal materials in equilibrium must absorb and emit thermal radiation at the same rate.

From Scientific American ● Nov. 18, 2022

They trap solar radiation, which is converted into thermal radiation on the Earth’s surface of which some is reradiated back into the atmosphere.

From Textbooks ● Jun. 9, 2022

I knew if I got close enough to him, the intense thermal radiation he was emitting would scorch me.

From "Darius the Great Is Not Okay" by Adib Khorram

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