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radio frequency

 - 6 dictionary results

ra⋅di⋅o⋅fre⋅quen⋅cy

[rey-dee-oh-free-kwuhn-see]
–noun, plural -cies.
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 101 1 hertz. Abbreviation: RF, rf
Also, radio frequency.


Origin:
1910–15; radio- + frequency
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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radio frequency  
n.   Abbr. RF
  1. The frequency of the waves transmitted by a specific radio station.

  2. A frequency in the range within which radio waves may be transmitted, from about 3 kilohertz to about 300,000 megahertz.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ra·dio·fre·quen·cy
Pronunciation: 'rAd-E-O-'frE-kw&n-sE
Function: adjective
: of, relating to, using, or inducedby radio frequencies radiofrequency heat lesions —H. F. Bradford> radiofrequencypulse>

Main Entry: radio frequency
Function: noun
: any of the electromagnetic wave frequencies that lie in a range extending from below 3 kilohertz to about 300 gigahertz andthat include the frequencies used in radio and television transmission
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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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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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
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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