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
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Times may be affected because SEECOM is on a different radio frequency than QuadCom, requiring mutual aid to be dispatched through phone calls, Rynders said. Gloria Casas, Chicago Tribune, 18 Sep. 2026 Instead of a process that essentially used heat to weld and shape the unit, the Zoom Air unit is now formed by using radio frequencies. Ian Servantes, Footwear News, 17 Sep. 2026 The hangar will focus specifically on radio frequency and measurement work associated with the B-21 program. Aamir Khollam, Interesting Engineering, 17 Sep. 2026 Common construction materials such as drywall, brick, plaster, metal ducts, and concrete can absorb or reflect radio frequencies at varying rates. K.h. Koehler, IndyStar, 10 Sep. 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

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Cite this Entry

“Radio frequency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20frequency. Accessed 22 Sep. 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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