radio frequency

radiofrequency

[rey-dee-oh-free-kwuhn-see]
noun, plural radiofrequencies.
1.
the frequency of the transmitting waves of a given radio message or broadcast.
2.
a frequency within the range of radio transmission, from about 15,000 to 10 11 hertz. Abbreviation: RF, rf
Also, radio frequency.


Origin:
1910–15; radio- + frequency

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World English Dictionary
radio frequency
 
n
1.  a.  See also frequency band rf, Abbreviations: RF 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 broadcasting
 b.  (as modifier): a radio-frequency amplifier
2.  the frequency transmitted by a particular radio station

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American Heritage
Medical Dictionary

radio frequency ra·di·o frequency (rā'dē-ō)
n.
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.
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American Heritage
Science Dictionary
radio frequency  
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
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