'Persistency' definitions:

Definition of 'persistency'

From: WordNet
noun
Persistent determination [syn: doggedness, perseverance, persistence, persistency, tenacity, tenaciousness, pertinacity]

Definition of 'Persistency'

From: GCIDE
  • Persistence \Per*sist"ence\, Persistency \Per*sist"en*cy\, n. [See Persistent.]
  • 1. The quality or state of being persistent; staying or continuing quality; hence, in an unfavorable sense, doggedness; obstinacy. [1913 Webster]
  • 2. The continuance of an effect after the cause which first gave rise to it is removed; as: (a) (Physics) The persistence of motion. (b) (Physiol.) Visual persistence, or persistence of the visual impression; auditory persistence, etc. [1913 Webster]