radio radiation
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Definition
Noun: 1. Electromagnetic radiation in the radio frequency range: "Radio radiation" refers specifically to electromagnetic waves with wavelengths between approximately 0.5 centimeters and 30,000 meters (or frequencies between about 10 kHz and 300 GHz). This type of non-ionizing radiation is used for communication technologies like broadcasting, mobile phones, and radar.
Usage Examples
- Noun:
- Astronomers study radio radiation from distant galaxies to learn about their composition.
- The antenna is designed to transmit and receive radio radiation efficiently.
- Exposure to high levels of certain radio radiation can heat biological tissue.
Advanced Usage
- "Cosmic radio radiation": Refers to natural radio waves originating from astronomical sources in space, such as pulsars or cosmic microwave background radiation.
- The discovery of cosmic radio radiation opened a new window for observational astronomy.
Variants and Related Words
- Radio wave (n): A more common synonym for a single emission or a type of radio radiation.
- Radio waves are a form of radio radiation.
- Radio frequency (RF) radiation (n): A technical term often used interchangeably with "radio radiation," emphasizing the frequency range.
- Electromagnetic radiation (n): The broader category that includes radio radiation, along with visible light, X-rays, etc.
Synonyms
- Radio waves
- RF emission
- Hertzian waves (a historical term)
Related Phrases
- Radio frequency spectrum: The entire range of frequencies used for radio radiation.
- Governments regulate the use of the radio frequency spectrum.
- Source of radio radiation: An object or device that emits these waves.
- A quasar is a powerful source of radio radiation.
Noun
- an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m