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1. Dictionary

   periodic

   /ˌpɪərɪˈɒdɪk/

   adjective

   • 1. appearing or occurring at intervals: "the periodic visits she made to her father"
   • 2. relating to the periodic table of the elements.
   • 3. relating to a rhetorical period.

   Word Origin mid 17th century: from French périodique, or via Latin from Greek periodikos ‘coming round at intervals’, from periodos (see period).

   Scrabble Points: 13

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   More definitions, origin and scrabble points

2. www.merriam-webster.com › dictionary › periodicPeriodic Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › periodic

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   The meaning of PERIODIC is occurring or recurring at regular intervals. How to use periodic in a sentence.

3. dictionary.cambridge.org › dictionary › englishPERIODIC | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   happening repeatedly over a period of time: He suffers periodic mental breakdowns. SMART Vocabulary: related words and phrases. Frequency & regularity - general words. (as) regular as clockwork idiom. -ly. clockwork. endemically. erratically. fitful. irregularity. irregularly. like clockwork idiom. many. on and off idiom. on-off. periodically.

4. www.britannica.com › science › periodic-tablePeriodic table | Definition, Elements, Groups, Charges, Trends, &...

   www.britannica.com › science › periodic-table

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   Sep 20, 2024 · periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number —i.e., the total number of protons in the atomic nucleus.

5. dictionary.cambridge.org › us › dictionaryPERIODIC | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   periodic. adjective. us / ˌpɪr.iˈɑː.dɪk / uk / ˌpɪə.riˈɒd.ɪk / Add to word list. happening repeatedly over a period of time: He suffers periodic mental breakdowns. SMART Vocabulary: related words and phrases. Frequency & regularity - general words. (as) regular as clockwork idiom. -ly. clockwork. endemically. erratically. fitful. irregularity.

6. www.collinsdictionary.com › dictionary › englishPERIODIC definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   1. recurring at intervals of time. periodic revivals of an interest in handicrafts. 2. occurring or appearing at regular intervals. periodic visits of a mail steamer to an island. 3. repeated at irregular intervals; intermittent. periodic outbreaks of the disease.

7. www.vocabulary.com › dictionary › periodicPeriodic - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › periodic

   Definitions of periodic. adjective. happening or recurring at regular intervals. “the periodic appearance of the seventeen-year locust” synonyms: periodical. cyclic. marked by repeated cycles. oscillating, oscillatory. having periodic vibrations. diurnal. having a daily cycle or occurring every day. daily, day-after-day, day-by-day, day-to-day.

8. www.thefreedictionary.com › periodicPeriodic - definition of periodic by The Free Dictionary

   www.thefreedictionary.com › periodic

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   1. Having or marked by repeated cycles: periodic oscillations. 2. Happening or appearing regularly or from time to time: periodic dental checkups; periodic rain showers. 3. Characterized by periodic sentences. pe′ri·od′i·cal·ly adv. Synonyms: periodic, sporadic, intermittent, occasional.

9. www.oxfordlearnersdictionaries.com › us › definitionperiodic adjective - Definition, pictures, pronunciation and...

   www.oxfordlearnersdictionaries.com › us › definition

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   Definition of periodic adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

10. dictionary.cambridge.org › dictionary › learner-englishMeaning of periodic – Learner’s Dictionary - Cambridge Dictionary

    dictionary.cambridge.org › dictionary › learner-english

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    PERIODIC definition: happening regularly: . Learn more.

11. www.britannica.com › dictionary › periodicPeriodic Definition & Meaning | Britannica Dictionary

    www.britannica.com › dictionary › periodic

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    PERIODIC meaning: happening regularly over a period of time.