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Periodicity vs Regularity - What's the difference?

periodicity | regularity |

As nouns the difference between periodicity and regularity

is that periodicity is recurrence of a woman's periods; menstruation while regularity is the condition or quality of being regular; as, regularity of outline.

periodicity

Noun

(periodicities)
  • Recurrence]] of a woman's [[period, periods; menstruation.
  • The quality of being periodic; tendency to recur at regular intervals.
  • (mathematics) The quality of a function with a repeated set of values at regular intervals.
  • regularity

    English

    Noun

  • (uncountable) The condition or quality of being regular; as, regularity of outline
  • I have been watching that show with regularity .
  • * {{quote-news
  • , year=2011 , date=October 29 , author=Phil McNulty , title=Chelsea 3 - 5 Arsenal , work=BBC Sport citation , page= , passage=For Chelsea coach Andre Villas-Boas, this was his most sobering moment in the Premier League and he looked stunned on the sidelines at the regularity with which Chelsea's defence was exposed.}}
  • (countable) A particular regular occurrence
  • Antonyms

    * irregularity