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

Examples of radio frequency in a Sentence

Recent Examples on the Web

Detecting the radio frequency signature of a drone is one of the most common techniques and is effective against the majority of commercial systems. —Vikram Mittal, Forbes.com, 17 June 2025

Other procedures the creator discussed were her various skin treatments, including lasers, radio frequency and microneedling. —Raven Brunner, People.com, 28 May 2025

All blue recycling bins and black trash bins are to be replaced and new ones provided with RFID (radio frequency identification) sensors. —Inga, San Diego Union-Tribune, 16 June 2025

Out at that distant remove, somewhere in the constellation Scutum, an unexplained body is semaphoring into space, blinking in both X-ray and radio frequencies once every 44 minutes in a way never seen by astronomers before. —Jeffrey Kluger, Time, 30 May 2025

Word History

First Known Use

1915, in the meaning defined above

Rhymes for radio frequency

• multifrequency
• infrequency

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