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View synonyms for periodic

periodic

1

[pur-ahy-od-ik]

adjective

Chemistry.
  1. of or derived from a periodic acid.



periodic

2

[peer-ee-od-ik]

adjective

  1. recurring at intervals of time.

    periodic revivals of an interest in handicrafts.

  2. occurring or appearing at regular intervals.

    periodic visits by doctors to the village.

  3. repeated at irregular intervals; intermittent.

    periodic outbreaks of the disease.

  4. Physics.,  recurring at equal intervals of time.

  5. Mathematics.,  (of a function) having a graph that repeats after a fixed interval period of the independent variable.

  6. Astronomy.

    1. characterized by a series of successive circuits or revolutions, as the motion of a planet or satellite.

    2. of or relating to a period, as of the revolution of a heavenly body.

  7. pertaining to or characterized by rhetorical periods, or periodic sentences.

periodic

/ ˌpɪərɪˈɒdɪk, ˌpɪərɪəˈdɪsɪtɪ /

adjective

  1. happening or recurring at intervals; intermittent

  2. of, relating to, or resembling a period

  3. having or occurring in repeated periods or cycles

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other Word Forms

  • periodically adverb
  • periodicity noun
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Word History and Origins

Origin of periodic1

First recorded in 1830–40; per- + iodic

Origin of periodic2

First recorded in 1635–45; from Latin periodicus, from Greek periodikós; period, -ic
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Just over a decade ago, when Congress was taking its periodic look at the food stamp program, House Republicans lined up with their legislative hatchets.

Read more on Los Angeles Times

These include scandium, yttrium and the lanthanides, which account for 15 chemical elements in the periodic table.

Read more on MarketWatch

A home will now be rented on a "periodic" or rolling basis, rather than for a fixed 12 or 24-month contract.

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But we also pay out of pocket for periodic visits with specialists like our ophthalmologist and dentist, with whom we’ve developed relationships over the years.

Read more on MarketWatch

Like another industry leader, Costco Wholesale, it supplements a tiny regular dividend—now 40 cents annually—with periodic special dividends when it builds up excess capital.

Read more on Barron's

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period dramaperiodic acid