periodic

See also periòdic

English

Wikipedia ^en

Alternative forms

• periodick (obsolete)

Etymology 1

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

Pronunciation

• (UK) IPA: /pɪ.ɹiˈɒdɪk/, X-SAMPA: /pI.ri."QdIk/

• Audio (US)

  (file)

• Rhymes: -ɒdɪk

A graph of the sine function, a periodic function.

Adjective

periodic (not comparable)

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

Antonyms

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

Derived terms

terms derived from periodic

periodic classification periodic function periodic law

periodic system periodic table

Related terms

• period
• periodicity

Translations

relative to a period or periods

• French: périodique (fr) m and f
• Greek: περιοδικός (el) (periodikós) m
• Italian: periodico (it)

• Japanese: 周期的 (ja) (shūki-teki)
• Swedish: period- (sv)

having repeated cycles

• Czech: periodický (cs) m
• Danish: periodisk (da)
• French: périodique (fr) m and f
• Greek: περιοδικός (el) (periodikós) m
• Hebrew: מחזורי (he) (machzorí)

• Italian: periodico (it) m, periodica (it) f
• Japanese: 周期的 (ja) (shūki-teki)
• Polish: okresowy (pl) m
• Swedish: periodisk (sv)

occurring at regular intervals

• Danish: periodisk (da)
• French: périodique (fr) m and f
• Greek: περιοδικός (el) (periodikós)

• Japanese: 周期的 (ja) (shūki-teki)
• Polish: okresowy (pl) m
• Swedish: periodisk (sv)

periodical

• Danish: periodisk (da)
• Greek: περιοδικό (el) (periodikó) n

• Japanese: 周期的 (ja) (shūki-teki)
• Swedish: periodisk (sv)

(astronomy) pertaining to the revolution of a celestial object in its orbit

• Japanese: 周期的 (ja) (shūki-teki)

• Swedish: periodisk (sv)

(mathematics) of a state

• Hebrew: מחזורי (he) (machzorí)

(rhetoric) having structure characterized by periodic sentences

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.

• Spanish: periódico

Etymology 2

per- +‎ iodic

Pronunciation

• enPR: "pûrīŏd'ĭk, IPA: /ˌpɜːraɪˈɒdɪk/, X-SAMPA: /%p3:raI"QdIk/

Adjective

periodic (not comparable)

1. Of or derived from a periodic acid.

Derived terms

• periodate
• periodic acid