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Period

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Period may refer to:

Common uses

  • Era, a length or span of time
  • Full stop (or period), a punctuation mark

Arts, entertainment, and media

Mathematics

  • Period of a function, length or duration after which a function repeats itself
  • Ring of periods, numbers that can be expressed as integrals of algebraic differential forms over algebraically defined domains, forming a ring

Science

Other uses

  • Period (school), a class meeting time in schools
  • Period, a professional ice hockey game comprises three periods of 20 minutes, with the clock running only when the puck is in play (similar uses occur in some other sports)

See also