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or persistency

[per-sis-tuh ns, -zis-] /pərˈsɪs təns, -ˈzɪs-/
the act or fact of persisting.
the quality of being persistent:
You have persistence, I'll say that for you.
continued existence or occurrence:
the persistence of smallpox.
the continuance of an effect after its cause is removed.
Origin of persistence
1540-50; persist + -ence
Related forms
nonpersistence, noun
nonpersistency, noun
1. See perseverance. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for persistence
Contemporary Examples
Historical Examples
  • It is to find the persistence of this influence that we search her history.

    Greek Women Mitchell Carroll
  • His kingdoms were suffering from the persistence of old institutions and mores.

    Folkways William Graham Sumner
  • Let us begin with the conservation of energy, or, as Herbert Spencer used to call it, the persistence of force.

  • In the hammering of 1864 and 1865 it was his persistence and moral courage that won the day.

    The New Nation Frederic L. Paxson
  • But even her persistence was not proof against the coldness of the young lady of the house, and finally she ceased to come at all.

    Missy Miriam Coles Harris
British Dictionary definitions for persistence


the quality of persisting; tenacity
the act of persisting; continued effort or existence
the continuance of an effect after the cause of it has stopped: persistence of vision
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
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Word Origin and History for persistence

1540s, from Middle French persistance, from persistant "lasting, enduring, permanent," from Latin persistentem (nominative persistens), present participle of persistere (see persist). Often spelled persistance 16c. Related: Persistency.

Online Etymology Dictionary, © 2010 Douglas Harper
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persistence in Medicine

persistence per·sist·ence (pər-sĭs'təns, -zĭs'-)

  1. Continuance of an effect after the cause is removed.

  2. Continuance of a part or an organ, rather than having it disappear in an early stage of development.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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persistence in Technology

1. A property of a programming language where created objects and variables continue to exist and retain their values between runs of the program.
2. The length of time a phosphor dot on the screen of a cathode ray tube will remain illuminated after it has been energised by the electron beam. Long-persistence phosphors reduce flicker, but generate ghost-like images that linger on screen for a fraction of a second.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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