Noun oftenness has 1 sense
  1. frequency, frequence, oftenness - the number of occurrences within a given time period (usually 1 second); "the frequency of modulation was 40 cycles per second"
    --1 is a kind of rate
    --1 has particulars:
     audio, audio frequency; radio frequency; infrared, infrared frequency; wave number; count per minute, counts/minute; sampling frequency
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