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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.

Increasing the efficiency of thermal radiation transfer could help make these technologies more viable.

From Science Daily • Jun. 8, 2026

Water vapor prevents the solar irradiation absorbed by Earth to be reemitted towards the void of space, as thermal radiation.

From Science Daily • Dec. 18, 2023

In the 1970s Stephen Hawking showed that black holes emit thermal radiation, in the form of particles, because of quantum mechanical effects near the event horizon.

From Scientific American • Nov. 30, 2022

This radiation is converted into thermal radiation on the Earth’s surface, and then a portion of that energy is re-radiated 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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