- the frequency of the transmitting waves of a given radio message or broadcast.
- a frequency within the range of radio transmission, from about 15,000 to 1011 hertz. Abbreviation: RF, rf
Also ra·di·o fre·quen·cy.
Origin of radiofrequency
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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
- A frequency that lies in the range within which radio waves may be transmitted, from about 10 kilohertz per second to about 300,000 megahertz.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- 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.