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periodic

Pronunciation: /ˌpɪɹiˈɒdɪk/

The English word “periodic” has 8 meanings listed here.

adjective

  1. Relative to a period or periods.
  2. Having repeated cycles.
  3. Occurring at regular intervals.
  4. Periodical.
  5. Pertaining to the revolution of a celestial object in its orbit.
  6. For which any return to it must occur in multiples of k time steps, for some k>1.
  7. Having a structure characterized by periodic sentences.
  8. Relating to the highest oxidation state of iodine; of or derived from a periodic acid.

Etymology

From French périodique, from Medieval Latin periodicus (“cyclical”), from Latin periodus (“complete sentence, period, circuit”), from Ancient Greek περίοδος (períodos, “cycle, period of time”). By surface analysis, period + -ic.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.