terrestrial radiation

American  

noun

Physics.

1. long-wave electromagnetic radiation in the form of heat emitted from the earth's surface and atmosphere.

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terrestrial radiation Scientific  

1. Long-wave electromagnetic radiation originating from Earth and its atmosphere. It is the radiation emitted by naturally radioactive materials on Earth including uranium, thorium, and radon.

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Example Sentences

While contrails often disappear completely in a short period, under certain atmospheric conditions they persist as diffuse cirrus clouds that reflect back terrestrial radiation, with a net warming effect.

From Seattle Times

These differ from terrestrial radiation sources in that they are high-energy particles rather than electromagnetic waves, e.g., x-rays.

From Scientific American

If lab tests are positive, the experiment would then be replicated with a limestone compound which the researchers believe will neither absorb solar or terrestrial radiation, nor deplete the ozone layer.

From The Guardian

He is referring to the background levels of ionizing radiation coming from both natural and artificial sources all around us, including radon sources, cosmic radiation from space and terrestrial radiation from the ground.

From Scientific American

This could not be reconciled with well-known facts in regard to terrestrial radiation, and it was generally recognized that the result found by Magnus must be erroneous.

From Project Gutenberg