periodical

US /ˌpɪr.iˈɑː.dɪ.kəl/
UK /ˌpɪr.iˈɑː.dɪ.kəl/
"periodical" picture
1.

a magazine or newspaper published at regular intervals.

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She subscribes to several academic periodicals.
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The library has a vast collection of historical periodicals.
:
journalmagazinepublicationreviewgazette
1.

appearing or occurring at intervals.

:
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The patient experiences periodical headaches.
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The comet makes a periodical appearance every 76 years.
:
recurrentcyclicintermittentregularseasonal
:
periodperiodicallyperiodicincubation periodperiod piecefree periodthe periodic table