Periodicity
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Periodicity is the quality of occurring at regular intervals (e.g. of time) and can occur in different contexts:
- A clock marks time at periodic intervals.
- A metronome ticks at periodic intervals.
- A publication published at periodic intervals can be called a "periodical", though it can also be called magazine.
- In mathematics, a function which recurs periodically is called periodic function.
- In chemistry, a table which classifies elements by means of periodicity is the periodic table.
The measure of periodicity is frequency.
See also: synchronicity, simultaneity.