noun
1. (mathematics) the sum of a finite or infinite sequence of expressions
2. a periodical that appears at scheduled times
Synonym: serialserial publication
3. a serialized set of programs
e.g. a comedy series
the Masterworks concert series
Synonym: serial
4. (sports) several contests played successively by the same teams
e.g. the visiting team swept the series
5. similar things placed in order or happening one after another
e.g. they were investigating a series of bank robberies
6. a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection
e.g. the Post Office issued a series commemorating famous American entertainers
his coin collection included the complete series of Indian-head pennies
7. (electronics) connection of components in such a manner that current flows first through one and then through the other
e.g. the voltage divider consisted of a series of fixed resistors