periodic

adjective

pe·​ri·​od·​ic ˌpir-ē-ˈä-dik How to pronounce periodic (audio)
1
a
: occurring or recurring at regular intervals
b
: occurring repeatedly from time to time
2
a
: consisting of or containing a series of repeated stages, processes, or digits : cyclic
periodic decimals
a periodic vibration
b
: being a function any value of which recurs at regular intervals
3
: expressed in or characterized by periodic sentences

Examples of periodic in a Sentence

He takes the car in for periodic oil changes. sent out periodic reminders about the office dress code
Recent Examples on the Web Few have the financial resources to brave the periodic downdrafts in the stock market without quailing. Michael Hiltzik, Los Angeles Times, 10 July 2024 Visitors can also taste this inimitable experience with periodic public access for special events. Robb Report Studio, Robb Report, 9 July 2024 Prodded by Berkus, who makes periodic appearances like the ghosts in A Christmas Carol, Kelly gets to work via tedious subplots involving, among other things, wooing reluctant senators to get their votes on securing government funds for NASA. Frank Scheck, The Hollywood Reporter, 8 July 2024 In both those cases, experts say active surveillance with periodic follow-ups is a good approach. Steven Petrow, Washington Post, 5 July 2024 See all Example Sentences for periodic 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'periodic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1650, in the meaning defined at sense 1a

Time Traveler
The first known use of periodic was in 1650

Dictionary Entries Near periodic

Cite this Entry

“Periodic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/periodic. Accessed 21 Jul. 2024.

Kids Definition

periodic

adjective
pe·​ri·​od·​ic ˌpir-ē-ˈäd-ik How to pronounce periodic (audio)
1
: occurring at regular intervals
2
: consisting of or containing a series of repeated stages
periodic vibrations

Medical Definition

periodic

adjective
pe·​ri·​od·​ic ˌpir-ē-ˈäd-ik How to pronounce periodic (audio)
: occurring or recurring at regular intervals
periodic epidemics

More from Merriam-Webster on periodic

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