Definitions of serial:

• noun:   a serialized set of programs
• noun:   a periodical that appears at scheduled times
• adjective:   of or relating to the sequential performance of multiple operations

  Example: "Serial processing"

• adjective:   pertaining to or occurring in or producing a series

  Example: "Serial monogamy"

• adjective:   pertaining to or composed in serial technique

  Example: "Serial music"

• adjective:   in regular succession without gaps

  Example: "Serial concerts"