1. [ noun ] (physics) the number of occurrences within a given time period (usually 1 second)
Synonyms: oftenness frequence

"the frequency of modulation was 40 cycles per second"

Related terms: rate infrared wave_number count_per_minute radio_frequency sampling_frequency audio
2. [ noun ] (statistics) the ratio of the number of observations in a statistical category to the total number of observations
Synonyms: relative_frequency
Related terms: ratio incidence
3. [ noun ] (mathematics) the number of observations in a given statistical category
Synonyms: absolute_frequency
Related terms: cardinal_number
Similar spelling:   frequence