The Collaborative International Dictionary of English v.0.48:

Remanence \Rem"a*nence\ (r?m"?*nens), Remanency \Rem"a*nen*cy\
   (-nen*s?), n. [Cf. OF. remanence, LL. remanentia, fr. L.
   remanens. See Remanent, a.]
   The state of being remanent; continuance; permanence. [R.]
   --Jer. Taylor.
   [1913 Webster]

         The remanence of the will in the fallen spirit.
                                                  --Coleridge.
   [1913 Webster]