You searched for: “terrestrial radiation
terrestrial radiation
1. Electronmagnetic radiation originating from earth and its atmosphere.
2. The total infrared energy emitted by the earth and its atmosphere, measured at wavelengths that are determined by their temperature.
3. The radiation that is emitted by naturally occurring radioactive materials in the earth; such as, uranium, thorium, and radon.
This entry is located in the following unit: terr-, terra-, -ter (page 5)