say it: FREE-kwuhn-see
frequency is a noun meaning "the number of occurrences within a given time period". It carries 3 recorded senses.
the ratio of the number of observations in a statistical category to the total number of observations
the number of observations in a given statistical category
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for frequency come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.