Definitions

1. noun

a publication issued at fixed intervals, such as a magazine or newspaper.

“She subscribes to several periodicals to stay updated on the latest fashion trends.”

2. adjective

occurring or done at regular intervals.

“The periodical maintenance of the machine ensures it runs smoothly.”

3. adjective

relating to or published in a periodical.

“The periodical press played a significant role in the dissemination of news during the 19th century.”