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periodic
1[peer-ee-od-ik]
adjective
recurring at intervals of time.
periodic revivals of an interest in handicrafts.
occurring or appearing at regular intervals.
periodic visits by doctors to the village.
repeated at irregular intervals; intermittent.
periodic outbreaks of the disease.
Physics., recurring at equal intervals of time.
Mathematics., (of a function) having a graph that repeats after a fixed interval period of the independent variable.
Astronomy.
characterized by a series of successive circuits or revolutions, as the motion of a planet or satellite.
of or relating to a period, as of the revolution of a heavenly body.
pertaining to or characterized by rhetorical periods, or periodic sentences.
periodic
2[pur-ahy-od-ik]
adjective
of or derived from a periodic acid.
periodic
/ ˌpɪərɪˈɒdɪk, ˌpɪərɪəˈdɪsɪtɪ /
adjective
happening or recurring at intervals; intermittent
of, relating to, or resembling a period
having or occurring in repeated periods or cycles
Other Word Forms
- periodically adverb
- periodicity noun
Word History and Origins
Origin of periodic1
Example Sentences
While those factors have contributed to periodic pullbacks in stocks’ record-breaking run this year, the hiccups have been fleeting.
From May, properties will be rented on a "periodic" or rolling basis, rather than under a fixed 12 or 24-month contract.
Starspots and other surface features can mimic the periodic variations produced by orbiting planets, creating the illusion of a planetary presence.
A second sits near the seasonal edge of the ice in September, and the third was consistently ice-covered in 1980 but now experiences periodic ice-free conditions.
Astatine is the rarest naturally occurring element on Earth and among the least explored in the periodic table.
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