perviousness
per·vious·ness
noun
1.
the permeability of something that can be penetrated by a liquid
Origin
From pervious + -ness.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.