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Definition of persistency:

  1. The continuance of an effect after the cause which first gave rise to it is removed
  2. The persistence of motion.
  3. The quality or state of being persistent; staying or continuing quality; hence, in an unfavorable sense, doggedness; obstinacy.
  4. Visual persistence, or persistence of the visual impression; auditory persistence, etc.


insistence, insistency, perseveration, perseverance, tenacity, doggedness, continue, tenaciousness, persistence, continuation, pertinacity, continuum, duration, continuance.

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