series -- ((sports) several contests played successively by the same teams; "the visiting team swept the series")
series -- ((electronics) connection of components in such a manner that current flows first through one and then through the other; "the voltage divider consisted of a series of fixed resistors")
series -- (a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection; "the Post Office issued a series commemorating famous American entertainers"; "his coin collection included the complete series of Indian-head pennies")
series -- ((mathematics) the sum of a finite or infinite sequence of expressions)