periodical

/pˌi‍əɹɪˈɒdɪkə‍l/

/ˌpɪɹiˈɑdɪkəɫ/

Periodical

a publication, especially about a technical subject, that is produced regularly

periodical

happening or recurring at regular intervals

synonyms : periodic

antonyms : aperiodic

Examples

1. We just had repeated and periodical national elections.

2. But periodical cicadas may be transforming in real life.

3. But periodical cicadas may be transforming in real life.

4. The nymphs of the periodical cicada have been biding their time.