series

/ˈsɪriz/
noun
  1. A number of similar or related things that come one after another.
    • She watched a series of documentaries about ocean life.
    • A series of earthquakes shook the region over the weekend.
    • The company released a new series of smartphones this year.
  2. A set of television or radio programs with the same characters or subject.
    • My favorite series is about a family living in a small town.
    • The streaming service just launched a new fantasy series.
    • They are filming the final season of the series.
  3. A sequence of numbers or terms in mathematics, often added together.
    • The sum of an infinite series can sometimes be a finite number.
    • In math class, we learned about the Fibonacci series.
    • He calculated the first ten terms of the arithmetic series.
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