aperiodic

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a·pe·ri·od·ic

 (ā′pîr-ē-ŏd′ĭk)
adj.
Occurring without periodicity; irregular.

a′pe·ri·od′i·cal·ly adv.
a·pe′ri·o·dic′i·ty (-ə-dĭs′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

aperiodic

(ˌeɪpɪərɪˈɒdɪk)
adj
1. not periodic; not occurring at regular intervals
2. (General Physics) physics
a. (of a system or instrument) being damped sufficiently to reach equilibrium without oscillation
b. (of an oscillation or vibration) not having a regular period
c. (of an electrical circuit) not having a measurable resonant frequency
ˌaperiˈodically adv
aperiodicity n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

a•pe•ri•od•ic

(ˌeɪ pɪər iˈɒd ɪk)

adj.
1. not periodic; irregular.
2. Physics. of or pertaining to vibrations or oscillations with no apparent period.
[1875–80]
a`pe•ri•od′i•cal•ly, adv.
a•pe`ri•o•dic′i•ty (-əˈdɪs ɪ ti) n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.aperiodic - not recurring at regular intervals
periodic, periodical - happening or recurring at regular intervals; "the periodic appearance of the seventeen-year locust"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
apériodique
References in periodicals archive ?
What environmental changes limit survival offshore have not been identified; however, large-scale modulations of the cold pool, which occur aperiodically (Sha et al.
The water level elevation is recorded aperiodically, as shown in Figure 11.
Which contains N tasks and each task kl- will arrive aperiodically. The properties of each kl- include the release time ([R.sub.i]), the worst case execution time ([E.sub.i]), and the deadline ([D.sub.i]).
where [I.sub.ma] is the amplitude of the unipolar pulse current [i.sub.d](t) with coefficients of the temporal shape [[alpha].sub.1], and [[alpha].sub.2]; [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] is the normalizing coefficient for the impulse current of the HVES, which varies aperiodically with time 1 [14].
[24] considered the outer synchronization between two hybrid-coupled delayed dynamical networks via aperiodically adaptive intermittent pinning control.