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

Other challenges listed in the reports were difficulties communicating with non-English-speaking victims, having agencies operating on different radio frequencies and keeping bystanders out of the site. —Sally Krutzig, Idaho Statesman, 30 Jan. 2025

Raymond James downgrades Qorvo to market perform from outperform Raymond James downgraded the wireless radio frequency solutions company following earnings. —Michael Bloom, CNBC, 30 Oct. 2024

That generation of Black Hawks typically has two types of altimeters — one relying on barometric pressure and the other on radio frequency signals bounced off the ground. —Gary Fields, Los Angeles Times, 15 Feb. 2025

That generation of Black Hawks typically has two types of altimeters -- one relying on barometric pressure and the other on radio frequency signals bounced off the ground. —Gary Fields and Tim Sullivan The Associated Press, arkansasonline.com, 15 Feb. 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