Meaning of SERIAL in English
a novel or other work appearing (as in a magazine) in parts at intervals. Novels written in the 19th century were commonly published as serials. Many works by Charles Dickens, George Eliot, William Makepeace Thackeray, Anthony Trollope, and others first appeared serially in such magazines as Dickens's Household Words and Thackeray's The Cornhill Magazine.
Britannica English vocabulary. Английский словарь Британика. 2012