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

The third stage is to track the drone and attempt to contact the operator through a radio frequency. — Jason Gewirtz, CNBC, 27 Sep. 2026

Could their biology prove to be an edge case for radio frequency electromagnetic radiation? — New Atlas, 24 Sep. 2026

But while chemtrails are firmly in the realm of conspiracy theory, electromagnetic fields and radio frequency radiation exposure have been studied for decades. — Stephanie Pappas, Scientific American, 22 Sep. 2026

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

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