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2017 Word of the Year

radiofrequency

[rey-dee-oh-free-kwuh n-see] /ˌreɪ di oʊˈfri kwən si/
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 of radiofrequency
1910-1915
First recorded in 1910-15; radio- + frequency
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for radiofrequency
Historical Examples
  • Ions are accelerated only when the radiofrequency is decreasing (Fig. 5).

    LRL Accelerators Lawrence Radiation Laboratory
  • radiofrequency power is supplied to the dee by a vacuum-tube oscillator.

    LRL Accelerators Lawrence Radiation Laboratory

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