radio frequency

noun

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

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 That's because big PC makers must also pass FCC regulations, which test for radio frequency pollution. Gordon Mah Ung, PCWorld, "HP's Omen Mindframe and Omen Obelisk bring special features to PC gaming," 21 Aug. 2018 This is in part because the driving radio frequency field simply inputs random energy. Chris Lee, Ars Technica, "Magnetic helium makes superfluid time crystal," 2 June 2018 The underlying method of Terenzi's work is close to radio astronomy, which observes distant quasars, galaxies, black holes, and stars by tuning into their radio frequency and listening for the radiation signatures an object emits. John Wenz, Popular Mechanics, "Meet the Astronomer Who Listens to the Music of the Cosmos," 12 May 2015 EndyMed 3Deep, which delivers radio frequency energy more deeply (with slightly more discomfort). Katie Becker, Harper's BAZAAR, "How To Get Gorgeous Skin at Every Age," 5 Oct. 2015 Seeber's attack works by replicating the exact transmissions—at the exact radio frequency—of ATI's legitimate communications to its sirens. Andy Greenberg, WIRED, "This Radio Hacker Could Hijack City-Wide Emergency Sirens To Play Any Sound," 10 Apr. 2018 The city of Chicago is investigating an unauthorized audio transmission on its police radio frequencies Wednesday night. Chicago Tribune Staff, chicagotribune.com, "Chicago investigating 'rogue radio' incident on police radio channels," 5 July 2018 Those figures are then transmitted via radio frequencies to city computers, which tally a customer's monthly water bill. Stephen Hudak, OrlandoSentinel.com, "Apopka cuts water loss with new 'smart' meters as part of $4.6 million upgrade," 11 June 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.

See More

First Known Use of radio frequency

1915, in the meaning defined above

Keep scrolling for more

Learn More about radio frequency

Share radio frequency

Statistics for radio frequency

Last Updated

10 Dec 2018

Look-up Popularity

Time Traveler for radio frequency

The first known use of radio frequency was in 1915

See more words from the same year

Keep scrolling for more

More Definitions for radio frequency

radio-frequency

adjective
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

noun

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

What made you want to look up radio frequency? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to enclose within walls

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!