periodic: Meaning and Definition of

pe•ri•od•ic

1. recurring at intervals of time: periodic revivals of an interest in handicrafts.
2. occurring or appearing at regular intervals: periodic visits of a mail steamer to an island.
3. repeated at irregular intervals; intermittent: periodic outbreaks of the disease.
4. recurring at equal intervals of time.
5. (of a function) having a graph that repeats after a fixed intervalof the independent variable.
1. characterized by a series of successive circuits or revolutions, as the motion of a planet or satellite.
2. of or pertaining to a period, as of the revolution of a heavenly body.
7. pertaining to or characterized by rhetorical periods, or periodic sentences.

per•i•od•ic

1. of or derived from a periodic acid.