frequency - definition and synonyms

 
 
 
noun 

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/ˈfriːkwənsi/
singularfrequency
pluralfrequencies
  1. 1
    [uncountable] the number of times that something happens during a period of time
    frequency of:

    Changes in sea temperature will increase the frequency of hurricanes.

    with increasing frequency (=more often):

    Accidents occur here with increasing frequency.

    1. a.
      the number of instances of something
      frequency of:

      We hope this treatment will reduce the frequency of heart disease.

      high/low frequency:

      Words with higher frequency are likely to have more complex behaviour.

    2. b.
      used for saying that something happens a lot

      We became suspicious of the frequency and size of his bank withdrawals.

  2. 2
    [countable/uncountable] physics the rate at which a sound wave, light wave, or radio wave vibrates (=moves up and down)

    a frequency of 7.5 MHz