Period - Science and Mathematics

Science and Mathematics

  • Menstruation, a phase of the menstrual cycle in which the uterine lining is shed
  • Orbital period, a concept in astronomy
  • Period (gene), a gene in Drosophila involved in regulating circadian rhythm
  • Period (geology), a subdivision of geologic time
  • Periodic function and periodical, a function that repeats its values in regular intervals
    • The period of a periodic function
  • Periodic group in group theory
  • Periods (ring) — the ring of numbers which can be expressed as integrals of algebraic differential forms over algebraically defined domains
  • Pisano period
  • Periodic table, a chart which lists all currently known chemical elements
  • Period (periodic table), a horizontal row of the periodic table
  • Periodic acid, an oxoacid of iodine
  • Period (physics), the time taken for one full oscillation; it is the reciprocal of frequency
  • Period of orbit
  • Period of time

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