'Perviousness' definitions:
Definition of 'perviousness'
From: WordNet
noun
The quality of being penetrable (by people or light or missiles etc.) [syn: penetrability, perviousness] [ant: impenetrability, imperviousness]
Definition of 'Perviousness'
From: GCIDE
- Perviousness \Per"vi*ous*ness\, n. The quality or state of being pervious; as, the perviousness of glass. --Boyle. [1913 Webster]