Dictionary

periodic

adjective pe·ri·od·ic \ˌpir-ē-ˈä-dik\

: happening regularly over a period of time

Full 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

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb
PERIODIC Defined for Kids

periodic

adjective pe·ri·od·ic \ˌpir-ē-ˈä-dik\

Definition of PERIODIC for Kids

:  occurring regularly over a period of time
Medical Dictionary

periodic

adjective pe·ri·od·ic \ˌpir-ē-ˈäd-ik\

Medical Definition of PERIODIC

:  occurring or recurring at regular intervals <periodic epidemics>
July 01, 2015
precarious Hear it
not certain, secure, or steady
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears