periodic
adjective/ˌpɪəriˈɒdɪk/
/ˌpɪriˈɑːdɪk/
(also less frequent periodical
[usually before noun]/ˌpɪəriˈɒdɪkl/
/ˌpɪriˈɑːdɪkl/
)- happening fairly often and regularly
- Periodic checks are carried out on the equipment.
- He makes periodic visits to all the shops which stock his products.
Oxford Collocations DictionaryPeriodic is used with these nouns:- check
- examination
- fluctuation
- …
Word Originmid 17th cent.: from French périodique, or via Latin from Greek periodikos ‘coming round at intervals’, from periodos ‘orbit, recurrence, course’, from peri- ‘around’ + hodos ‘way, course’.
Check pronunciation:
periodic