From Teflpedia
Disambiguation: Word frequency.

Frequency (/fri:kwənsi/) is a circumstance that refers to how many times an event occurs.

There are two main types of frequency; absolute frequency describes how many times an event occurs, whereas temporal frequency expresses how often an event occurs.

In English, frequency is expressed using frequency adverbials, such as adverbs of frequency.

Compare time, distance, size, etc.