Question

what are periodicals ​

Answer 1

Periodicals are any type of publication that is published in a series, or periodically (hence the name).

Answer 2

Answer:

Periodical literature (also called a periodical publication or simply a periodical) is a category of serial publications that appear in a new edition on a regular schedule.[1] The most familiar example is the magazine, typically published weekly, monthly, or quarterly. Other examples of periodicals are newsletters, academic journals and yearbooks.[1] Newspapers, often published daily or weekly, are, strictly speaking, a separate category of serial