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Noun: frequency  free-kwun(t)-see
  1. The number of occurrences within a given time period
    "the frequency of modulation was 40 cycles per second";
    - frequence, oftenness
  2. The ratio of the number of observations in a statistical category to the total number of observations
    - relative frequency
  3. The number of observations in a given statistical category
    - absolute frequency

Derived forms: frequencies

Type of: cardinal, cardinal number, rate, ratio

Encyclopedia: Frequency, periodicity, amplitude for sinusoids