periodic

1
[ peer-ee-od-ik ]
/ ˌpɪər iˈɒd ɪk /

adjective

Origin of periodic

1
1635–45; < Latin periodicus < Greek periodikós. See period, -ic

Related forms

pe·ri·od·i·cal·ly, adverbqua·si-pe·ri·od·i·cal·ly, adverb

Can be confused

periodic periodical
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for periodically

British Dictionary definitions for periodically

periodic

/ (ˌpɪərɪˈɒdɪk) /

adjective

happening or recurring at intervals; intermittent
of, relating to, or resembling a period
having or occurring in repeated periods or cycles

Derived Forms

periodically, adverbperiodicity (ˌpɪərɪəˈdɪsɪtɪ), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for periodically

periodic

[ pîr′ē-ŏdĭk ]

adj.

Having or marked by repeated cycles.
Recurring at regular intervals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.