Meaning of PERIODIC in English

PERIODIC

adjective Date: 1642 1. occurring or recurring at regular intervals, occurring repeatedly from time to time, 2. consisting of or containing a series of repeated stages, processes, or digits ; cyclic , being a function any value of which recurs at regular intervals, expressed in or characterized by ~ sentences

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.