periodicity

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

Definition of periodicity 

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

Examples of periodicity in a Sentence

Recent Examples on the Web

The latter is what a natural heart does, of course, gently pushing the blood along, and that periodicity is what results in a person’s familiar pulse. Henry Petroski, WSJ, "‘Ticker’ Review: The Race to Reinvent the Heart," 3 Aug. 2018 This periodicity is to Webster the most exciting part of his team’s results. Adam Mann, Scientific American, "Curiosity Rover Uncovers Long-Sought Organic Materials on Martian Surface," 7 June 2018 Many objects in space, like pulsars, send out radio signals with a certain periodicity: flashes of electromagnetic activity that switch on and off at regular rates. Steven Johnson, New York Times, "Greetings, E.T. (Please Don’t Murder Us.)," 28 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'periodicity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of periodicity

1820, in the meaning defined above

Keep scrolling for more

Learn More about periodicity

Share periodicity

Statistics for periodicity

Last Updated

18 Nov 2018

Look-up Popularity

Time Traveler for periodicity

The first known use of periodicity was in 1820

See more words from the same year

Keep scrolling for more

More Definitions for periodicity

periodicity

noun
pe·​ri·​od·​ic·​i·​ty | \ˌpir-ē-ə-ˈdis-ət-ē \
plural periodicities

Medical Definition of periodicity 

: the quality, state, or fact of being regularly recurrent or having periods the periodicity of peptic ulcer is…characteristic of the diseaseJournal of the American Medical Association

More from Merriam-Webster on periodicity

Rhyming Dictionary: Words that rhyme with periodicity

Britannica.com: Encyclopedia article about periodicity

Comments on periodicity

What made you want to look up periodicity? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

living or existing for a long time

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!