1. The number of occurrences within a given time period
   "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"
   - 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

See also: frequent

Type of: cardinal, cardinal number, rate, ratio

Encyclopedia: Frequency Frequency, periodicity, amplitude for sinusoids

• out of hand
• out of it
• out of keeping
• out of line
• out of nothing
• out of order
• out of place
• out of play
• out of practice
• out of print
• out of reach
• out of sight
• out of sorts
• out of stock
• out of the blue
• out of the frying pan and into the fire
• out of the frying pan into the fire
• out of the question
• out of the way
• out of thin air
• out of this world
• out of touch
• out of true
• out of tune
• out of use