periodicity

noun

pe·​ri·​od·​ic·​i·​ty ˌpir-ē-ə-ˈdi-sə-tē 

: the quality, state, or fact of being regularly recurrent or having periods

Examples of periodicity in a Sentence

Recent Examples on the Web

Although better, the accuracy of this technique is limited by the periodicity of electromagnetic waves, which introduces inevitable ambiguities. —The Physics Arxiv Blog, Discover Magazine, 16 Dec. 2024

We were stuck in a new loop of musical periodicity. —David Rowell, TIME, 1 Nov. 2024

There's a window of about 400 seconds centered on that periodicity, and a burst can appear anywhere within the window and will last anywhere from 30 to 300 seconds. —John Timmer, Ars Technica, 19 July 2023

But why does this roughly 800-year periodicity exist? —Robin George Andrews, Quanta Magazine, 20 Feb. 2024

Word History

First Known Use

1820, in the meaning defined above

Medical Definition

periodicity

noun

pe·​ri·​od·​ic·​i·​ty ˌpir-ē-ə-ˈdis-ət-ē 

plural periodicities

: the quality, state, or fact of being regularly recurrent or having periods

the periodicity of peptic ulcer is … characteristic of the disease

—The Journal of the American Medical Association