'Subsidence' definitions:

Definition of 'subsidence'

From: WordNet
noun
An abatement in intensity or degree (as in the manifestations of a disease); "his cancer is in remission" [syn: remission, remittal, subsidence]
noun
A gradual sinking to a lower level [syn: settling, subsiding, subsidence]
noun
The sudden collapse of something into a hollow beneath it [syn: cave in, subsidence]

Definition of 'Subsidence'

From: GCIDE
  • Subsidence \Sub*sid"ence\, Subsidency \Sub*sid"en*cy\, n. [L. subsidens, -entis, p. pr. of subsidere. See Subside.] The act or process of subsiding. [1913 Webster]
  • The subdual or subsidence of the more violent passions. --Bp. Warburton. [1913 Webster]