[ rey-dee-oh-free-kwuhn-see ]
/ ˌreɪ di oʊˈfri kwən si /
Save This Word!
noun, plural ra·di·o·fre·quen·cies.
the frequency of the transmitting waves of a given radio message or broadcast.
any frequency within the range of radio waves, microwaves, and electromagnetic wireless signals. Abbreviations: RF, rf
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…
Also ra·di·o fre·quen·cy .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use radiofrequency in a sentence
The agent in the security room repeats this message to those at the debate site, listening on the “Mike” radio frequency.Behind the Scenes With a ‘Site Agent’: The Secret Service’s Hardest Job|Marc Ambinder|October 2, 2014|DAILY BEAST
The agents positioned with clear sightlines provided updates on a shared radio frequency to all law enforcement in the area.The Devil’s Drug: The True Story of Meth in New Mexico|Nick Romeo|August 24, 2013|DAILY BEAST
The Interplanetarian struck back, using radio frequency that flamed fiercely against the Invincible's outer screen.Empire|Clifford Donald Simak
Heaters to destroy immediate vegetation, and Radio-Frequency beams to kill insects and their larvae over a wider area.Attrition|Jim Wannamaker
The radio device actually is a radio frequency spectroscope.Autobiography of a YOGI|Paramhansa Yogananda
A radio frequency transformer is shown at B and costs $6 to $7.The Radio Amateur's Hand Book|A. Frederick Collins
The output of this audion was a radio-frequency current modulated by the voice.Letters of a Radio-Engineer to His Son|John Mills
British Dictionary definitions for radiofrequency
- a frequency or band of frequencies that lie in the range 10 kilohertz to 300 000 megahertz and can be used for radio communications and broadcastingAbbreviations: rf, RF See also frequency band
- (as modifier)a radio-frequency amplifier
the frequency transmitted by a particular radio station
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for radiofrequency
A frequency of electromagnetic radiation in the range at which radio signals are transmitted, ranging from approximately 3 kilohertz to 300 gigahertz. Many astronomical bodies, such as pulsars, quasars, and possibly black holes, emit radio frequency radiation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.