periodic
adjective
[ ˌpɪərɪˈɒdɪk ]
• appearing or occurring at intervals.
• "the periodic visits she made to her father"
Similar:
regular,
periodical,
at fixed intervals,
recurrent,
recurring,
repeated,
cyclical,
cyclic,
seasonal,
occasional,
infrequent,
intermittent,
sporadic,
spasmodic,
odd,
• relating to the periodic table of the elements.
• relating to a rhetorical period.
Origin:
mid 17th century: from French périodique, or via Latin from Greek periodikos ‘coming round at intervals’, from periodos (see period).
