Series

Part of speech: noun (n.)

1. A number of things or events standing or succeeding in order, and connected by a like relation; sequence; order; course; a succession of things; as, a continuous series of calamitous events. During some years his life a series of triumphs. Macaulay.

2. Any comprehensive group of animals or plants including several subordinate related groups.

3. 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.