Definition of periodical in English:

periodical

Syllabification: pe·ri·od·i·cal
Pronunciation: /ˌpi(ə)rēˈädikəl
 
/

noun

adjective

[attributive] Back to top  
  • 1Occurring or appearing at intervals; occasional: she took periodical gulps of her tea
    More example sentences
    • At periodical intervals, the network returns the data to a central control room by cellular phone, satellite, or a conventional telephone circuit.
    • But the democratic process leaves it open to the citizens as a whole, in periodical elections, to bless or oppose the plans or decisions of particular parties or groups or clans of politicians.
    • So there was no procedure at the tribunal at all, just periodical letters saying, ‘We are now still continuing’; the tribunal accepted that, as they would.
  • 1.1(Of a magazine or newspaper) published at regular intervals: a periodical newsletter
    More example sentences
    • He said that one of the useful activities that the association could think of was to publish periodical newsletters, which would give opportunities to alumni to write about their experiences.
    • This magazine is still going strong today; you can easily find it in any bookshop or even in some of the magazine and periodical stands on the street.
    • I'm going to talk mostly about the so-called mass media, particularly periodical and book publishing.

Derivatives

periodically

adverb
More example sentences
  • You agree to review the literature periodically for newly published studies on this topic.
  • During the interview she periodically levitates from the sofa on wild fits of enthusiasm.
  • He also called for a better dispute settlement process for trade tiffs that crop up periodically.

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