periodic

pe·ri·od·ic

adj \ˌpir-ē-ˈä-dik\

Definition of PERIODIC

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

Examples of PERIODIC

1. He takes the car in for periodic oil changes.
2. <sent out periodic reminders about the office dress code>

First Known Use of PERIODIC

1642

Related to PERIODIC

Synonyms: constant, frequent, habitual, regular, periodical, repeated, steady

Antonyms: inconstant, infrequent, irregular

Related Words: continual, intermittent, recurrent, recurring; cyclic (or cyclical); around-the-clock, hourly, round-the-clock, 24-7 (or 24/7); chronic, confirmed, inveterate; expected, usual

Near Antonyms: episodic (also episodical), occasional; unexpected, unusual

see all synonyms and antonyms

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Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb