Periodic

Pronunciation

• UK IPA: /pɪ.ɹiˈɒdɪk/
• Rhymes: -É’dɪk

Alternative forms

• periodick obsolete

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

Full definition of periodic

Adjective

1. Relative to a period or periods.
2. Having repeated cycles.
3. Occurring at regular intervals.
4. periodical
5. (astronomy) Pertaining to the revolution of a celestial object in its orbit.
6. (mathematics, stochastic processes, of a state) for which any return to it must occur in multiples of $k$ time steps, for some $$

1. (rhetoric) Having a structure characterized by periodic sentences.
2. (chemistry) Relating to, derived from, or designating, the highest oxygen acid (HIO) of iodine.

Antonyms

• (astronomy) non-periodic
• (mathematics) aperiodic

Derived terms

Related terms

• period
• periodicity

Pronunciation

• enPR: "pûrīŏd'Ä­k, IPA: /ËŒpɜːraɪˈɒdɪk/

- + iodic

Adjective

1. Of or derived from a periodic acid.

Derived terms

• periodate
• periodic acid