Periodic definition

pîrē-ŏdĭk
Happening or appearing regularly or from time to time.

Periodic dental checkups; periodic rain showers.

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Of, characterized by, or expressed in periodic sentences.
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The definition of periodic is something that is recurring at regular intervals, or happens from time to time.

An example of periodic is a person's birthday happening once each year.

An example of periodic is a person going to their favorite restaurant every once in awhile.

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Relative to a period or periods.
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Occurring at regular intervals.
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(astronomy) Pertaining to the revolution of a celestial object in its orbit.
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(mathematics, stochastic processes, of a state) For which any return to it must occur in multiples of time steps, for some .
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(rhetoric) Having a structure characterized by periodic sentences.
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(chemistry) Relating to, derived from, or designating, the highest oxygen acid (HIO) of iodine.
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Of or derived from a periodic acid.
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Occurring, appearing, or recurring at regular intervals.

A periodic fever.

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Characterized by periodic sentences.
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Having or marked by repeated cycles.

Periodic oscillations.

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Occurring from time to time; intermittent.
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Of or characterized by periods.

The periodic motion of a planet.

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Origin of periodic

  • From French périodique, from Medieval Latin periodicus (“cyclical"), from Latin periodus (“complete sentence, period, circuit"), from Ancient Greek περίοδος (periodos, “cycle, period of time").

    From Wiktionary

  • per- +"Ž iodic

    From Wiktionary