adj.
Pronunciation: ˌ pir- ē - ' ä-dik
Function: adjective
Date: 1642
1 a : occurring or recurring at regular intervals b : occurring repeatedly from time to time
2 a : consisting of or containing a series of repeated stages, processes, or digits : CYCLIC < periodic decimals> <a periodic vibration> b : being a function any value of which recurs at regular intervals
3 : expressed in or characterized by periodic sentences