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n. pl. pe·ri·o·dic·i·ties
1. The quality or state of being periodic; recurrence at regular intervals.
2. The repetition of similar properties in chemical elements, as indicated by their positioning in the periodic table.
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.


(ˌpɪər i əˈdɪs ɪ ti)

the character of being periodic; the tendency to recur at regular intervals.
[1825–35; < French périodicité]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.periodicity - the quality of recurring at regular intervals
regularity - the quality of being characterized by a fixed principle or rate; "he was famous for the regularity of his habits"
regular recurrence, rhythm - recurring at regular intervals
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ˌpɪərɪəˈdɪsɪtɪ] Nperiodicidad f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


n (Chem) → Periodizität f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
These latter two proteins feed back on their own transcription, forming a negative feedback loop with a circadian periodicity. A blue-light photoreceptive CRYPTOCHROME (PCRY) is important in providing light input to the clock by triggering the degradation of TIMELESS (Hardin, 2005; Rosato et ai.
Rumana et al., "Morning surge in circadian periodicity of ischaemic stroke is independent of conventional risk factor status: findings from the takashima stroke registry 1990-2003," European Journal of Neurology, vol.
Some studies reported abolished melatonin secretion pattern in sedated critically ill patients [1-3], while preserved circadian periodicity of melatonin secretion in critically ill patients with [4] or without [2] sedation was reported in other studies.
Siepka et al., "Competing E3 ubiquitin ligases govern circadian periodicity by degradation of CRY in nucleus and cytoplasm," Cell, vol.

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