serial Definition

serial
noun

1. A story, television programme, etc published or broadcast in regular instalments.
2. A periodical.

adj

1. Appearing in instalments.
2. Forming a series or part of a series.
3. In series; in a row.
4. music.
Using series as the basis of a composition.
5. music.
Using serialism.

Etymology: 19c: from Latin serialis, from series.

Info:

There is often confusion between serial and series: a serial is a single story presented in separate instalments, whereas a series is a set of separate stories featuring the same characters.