[ rey-dee-oh-free-kwuh n-see ]
/ ˌreɪ di oʊˈfri kwən si /

noun, plural ra·di·o·fre·quen·cies.

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

Nearby words

  1. radiodense,
  2. radiodensity,
  3. radiodermatitis,
  4. radiodiagnosis,
  5. radioelement,
  6. radiogenic,
  7. radiogold colloid,
  8. radiogoniometer,
  9. radiogram,
  10. radiograph

Also ra·di·o fre·quen·cy.

Origin of radiofrequency

First recorded in 1910–15; radio- + frequency Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for radiofrequency

  • 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