Persistency

[per-sis-tuh ns, -zis-] /pərˈsɪs təns, -ˈzɪs-/

noun
1.
the act or fact of .
2.
the quality of being :
You have persistence, I’ll say that for you.
3.
continued existence or occurrence:
the persistence of smallpox.
4.
the continuance of an effect after its cause is removed.
/pəˈsɪstəns/
noun
1.
the quality of persisting; tenacity
2.
the act of persisting; continued effort or existence
3.
the continuance of an effect after the cause of it has stopped: persistence of vision
n.

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.

persistence per·sist·ence (pər-sĭs’təns, -zĭs’-)
n.

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