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[rey-dee-oh-free-kwuh n-see]
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noun, plural ra·di·o·fre·quen·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 1011 hertz. Abbreviation: RF, rf
Also ra·di·o fre·quen·cy.

Origin of radiofrequency

First recorded in 1910–15; radio- + frequency
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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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