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Added 9 October 2026

periodic

/ˌpɪɹiˈɒdɪk/ adjective

Categories: Describing WordsEveryday Words

Latin root: periodicus Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about periodic at Wordnik → Where our words come from →

  1. Relative to a period or periods.
  2. Having repeated cycles.
  3. Occurring at regular intervals.

adjective

  1. Relating to the highest oxidation state of iodine; of or derived from a periodic acid.

Origin

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.

From Wiktionary, via Kaikki.org (CC BY-SA)

Related Words: intermittentcyclicsporadicoscillatingoscillatoryperiodicalpulsedrhythmicalrhythmiccyclicalperiodperiodically

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