periodicity.

The tendency of something to recur at regular intervals.

Use it for

Words that belong together

• the periodicity of fluctuations
• seasonal periodicity

On the page

The periodicity of the signal ruled out a random equipment fault.

Usage notes

Primary category: academic / formal. Forms: Usually uncountable; no ordinary plural in this sense. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: analysis, explanation. Commonness: moderately common.