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definitions

aperiodic

[ ey-peer-ee-od-ik ]
/ ˌeɪ pɪər iˈɒd ɪk /

adjective

not periodic; irregular.
Physics. of or relating to vibrations or oscillations with no apparent period.

Nearby words

  1. apennine mountains,
  2. apennines,
  3. apepi,
  4. apercu,
  5. aperient,
  6. aperistalsis,
  7. aperitif,
  8. aperitive,
  9. apert,
  10. apert's syndrome

Origin of aperiodic

First recorded in 1875–80; a-6 + periodic1
Related formsa·pe·ri·od·i·cal·ly, adverba·pe·ri·o·dic·i·ty [ey-peer-ee-uh-dis-i-tee] /eɪˌpɪər i əˈdɪs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for aperiodic

aperiodic

/ (ˌeɪpɪərɪˈɒdɪk) /

adjective

not periodic; not occurring at regular intervals
physics
  1. (of a system or instrument) being damped sufficiently to reach equilibrium without oscillation
  2. (of an oscillation or vibration) not having a regular period
  3. (of an electrical circuit) not having a measurable resonant frequency
Derived Formsaperiodically, adverbaperiodicity (ˌeɪpɪərɪəˈdɪsɪtɪ), 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
Word Origin and History for aperiodic

aperiodic

adj.

1874, from a- (2), privative prefix, + periodic.

Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for aperiodic

aperiodic

[ ā′pîr-ē-ŏd′ĭk ]

adj.

Not occurring periodically.
Related formsa′pe•ri•od′i•cal•ly adv.a•pe′ri•o•dic′i•ty (-ə-dĭs′ĭ-tē) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.