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 skies are becoming dangerously crowded—not with planes but with interference and jamming disrupting many of the 30,000 radio frequencies that civil aviation relies upon. — IEEE Spectrum, 28 Oct. 2026 Additionally, Aritzia has several projects in several areas of the business underway including investments in its distribution centers, technology, AI, merchandise planning software, customer initiatives and radio frequency identification, or RFID. — David Moin, Footwear News, 27 Oct. 2026 Once up there and commissioned, the satellites will scan the globe for radio frequency (RF) emissions. — Mike Wall, Space.com, 23 Oct. 2026 At the time, Skylo didn't name Globalstar in the request, but the company’s application covered the key radio frequencies that Globalstar has long been authorized to use for its own satellite services. — Michael Kan, PC Magazine, 19 Oct. 2026 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

Browse Nearby Words

Cite this Entry

“Radio frequency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20frequency. Accessed 7 Nov. 2026.

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
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