radio frequency


Definition of radio frequency

: 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

Iglesia notes that some preliminary small studies have found slight improvements in vaginal dryness and tightness 6 or 12 months after three treatments of laser or radio frequency. Elizabeth Siegel, Allure, "Vaginal Rejuvenation Is on the Rise, But the Results Often Don't Live Up to the Hype," 27 Mar. 2019 Firms such as Energous and Ossia send power using radio frequencies, while rival Wi-Charge uses infrared light that’s closer to lasers. Geoffrey Fowler,, "Whoa! Meet the future phones that fold up, have 9 cameras, and charge over thin air," 1 July 2018 One is that the emissions of many of the bursts are biased toward specific radio frequencies. John Timmer, Ars Technica, "We’ve seen more fast radio bursts, but we still don’t know what they are," 11 Oct. 2018 Buzz: TempSure is the latest device that emits radio frequency waves deep into your dermis to tighten and lift skin by stimulating collagen production. Harper's Bazaar Staff, Harper's BAZAAR, "17 Over-the-Top Beauty Treatments to Try Before Your Wedding Day," 13 Dec. 2018 Newer passports and other identification contain radio frequency identification chips. Kim Komando, Fox News, "Why you should wrap your car keys in aluminum foil," 12 Aug. 2018 SpaceX has submitted an application to the Federal Communications Commission, which must approve the company's plans to use radio frequencies to communicate with the rocket after landing. Eric Berger, Ars Technica, "Rocket Report: Virgin goes Italian, SpaceX’s giant net, a nuclear launcher," 13 July 2018 This nonablative device offers two settings that can be used together or separately: One remodels and stimulates collagen growth deep in the dermis, using infrared light and radio frequency (RF). Allure, "The Skin-Care Glossary: A Comprehensive Guide to Everything You Need to Know," 17 Aug. 2018 He was rescued in late August near Guam, after managing to send a radio frequency to a tanker named Arpeggio on Aug. 31. Edmund Demarche, Fox News, "Indonesian teen survives 49 days adrift without paddle, but with Bible: report," 24 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radio frequency.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of radio frequency

1915, in the meaning defined above

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Statistics for radio frequency

Last Updated

2 Apr 2019

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Time Traveler for radio frequency

The first known use of radio frequency was in 1915

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More Definitions for radio frequency


ra·​dio-fre·​quen·​cy | \ ˈrād-ē-ō-ˈfrē-kwən-sē\

Medical Definition of radio-frequency

 (Entry 1 of 2)

: of, relating to, using, or induced by radio frequencies a new…procedure that uses radio-frequency heat to collapse veins— Tara Parker-Pope

radio frequency


Medical Definition of radio frequency (Entry 2 of 2)

: 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

Comments on radio frequency

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to mark by some ceremony or observation

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