periodical

adjective

1. happening or recurring at regular intervals

- the periodic appearance of the seventeen-year locust

Similar word(s): cyclic, oscillating, oscillatory, diurnal, daily, nightly, hebdomadal, hebdomadary, weekly, biweekly, semiweekly, hourly, fortnightly, annual, yearly, biannual, biyearly, semiannual, biennial, triennial, monthly, bimestrial, bimonthly, semimonthly, semestral, semestrial, midweekly, periodic

noun

1. a publication that appears at fixed intervals

Definition categories: communication, publication