'Prolificacy' definitions:

Definition of 'prolificacy'

From: WordNet
noun
The property of producing abundantly and sustaining vigorous and luxuriant growth; "he praised the richness of the soil"; "weeds lovely in their rankness" [syn: richness, rankness, prolificacy, fertility]

Definition of 'Prolificacy'

From: GCIDE
  • Prolificacy \Pro*lif"ic*a*cy\, n. Prolificness. [R.] [1913 Webster]