What does "series" mean?

Series: (Biol.) Any comprehensive group of animals or plants including several subordinate related groups. Note: Sometimes a series includes several classes; sometimes only orders or families; in other cases only species.

Additional senses

  1. 2.(Math.) An indefinite number of terms succeeding one another, each of which is derived from one or more of the preceding by a fixed law, called the law of the series; as, an arithmetical series; a geometrical series.

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