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.
The crew is also testing to make sure information is read instantly and correctly from radio frequency identification tags available to travelers for purchase, Grondin said. Natalie Davies, Freep.com, 26 Sep. 2025 Bolstering our capabilities of traditional radio frequency communications with the power and benefits of optical communications will allow NASA to meet these new requirements. Samantha Mathewson, Space.com, 23 Sep. 2025 The agency said there were equipment issues that affected some radio frequencies in the Philadelphia TRACON area that handle Newark arrivals and departures. Stephen Sorace, FOXNews.com, 28 Aug. 2025 Project Lifesaver’s unique approach includes drones and radio frequency transmitters, significantly improving the efficiency and speed of rescue operations. Matthew Kayser, USA Today, 23 Aug. 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 4 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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