radio frequency

noun

: any of the electromagnetic wave frequencies that lie in the range extending from below 3 kilohertz to about 300 gigahertz and that include the frequencies used for communications signals (as for radio and television broadcasting and cell-phone and satellite transmissions) or radar signals
radio frequency table

Examples of radio frequency in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Commercial company HawkEye 360 collects and processes radio frequency data from its constellation of satellites using advanced algorithms. Literary Hub, 28 Oct. 2025 This Navfalcon Hidden Camera Detector has earned a permanent spot in my travel bag; this gadget picks up the radio frequency (RF) signals that are emitted by cameras and alerts you when these wireless signals have been detected. Amelia McBride, Travel + Leisure, 26 Oct. 2025 Instead of having heavy electronic goggles sticking out from the wearer's face and pulling on the neck like a lever, the optics are integrated into the ballistic helmet along with acoustic and radio frequency sensors. New Atlas, 26 Oct. 2025 Bailey, with headphones on, listened as the spirit box raced through radio frequencies for answers to questions the guests asked. Jim Beaugez, CNN Money, 23 Oct. 2025 See All Example Sentences for radio frequency

Word History

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of radio frequency was in 1915

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Cite this Entry

“Radio frequency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20frequency. Accessed 29 Oct. 2025.

Kids Definition

radio frequency

noun
: any of the electromagnetic wave frequencies between about 3 kilohertz and 300 gigahertz that are used especially in radio and television transmission and in radar

Medical Definition

radio frequency

noun
: any of the electromagnetic wave frequencies that lie in a range extending from below 3 kilohertz to about 300 gigahertz and that include the frequencies used for communications signals (as for radio and television broadcasting and cell-phone transmissions) or radar signals
often hyphenated when used before another noun
radio-frequency waves
Last Updated: - Updated example sentences
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