A publication issued regularly, but less frequently than daily.

Periodic. / Published at regular intervals of more than one day, especially weekly, monthly, or quarterly. / Of, or relating to such a publication.

Relative to a period or periods. / Having repeated cycles. / Occurring at regular intervals. / Periodical. / (astronomy) Pertaining to the revolution of a celestial object in its orbit.

Recurrence of a woman's periods; menstruation. / The quality of being periodic; tendency to recur at regular intervals.

plural of periodicity

plural of periodical

happening again and again after regular times

at regular times; again and again after some time

plural of periodization

(transitive) To divide (history) into periods.