1. (adjective) happening or recurring at regular intervals

• periodic

1. (adjective) happening or recurring at regular intervals

• annual
• yearly
• biannual
• biyearly
• half-yearly
• semiannual
• biennial
• biyearly
• bimestrial
• bimonthly
• bimonthly
• semimonthly
• biweekly
• semiweekly
• biweekly
• fortnightly
• cyclic
• daily
• day-after-day
• day-by-day
• day-to-day
• diurnal
• half-hourly
• hebdomadal
• hebdomadary
• weekly
• hourly
• midweekly
• monthly
• nightly
• oscillating
• oscillatory
• semestral
• semestrial
• triennial

1. (noun) a publication that appears at fixed intervals

• digest
• issue
• number
• journal
• organ
• pictorial
• review
• serial
• serial publication
• series

1. (noun) a publication that appears at fixed intervals

• publication

1. (adjective) happening or recurring at regular intervals

• aperiodic
• nonperiodic

1. (noun) a publication that appears at fixed intervals

• periodic

2. (adjective) happening or recurring at regular intervals

• cyclicity
• periodicity
• period