Found 2 items, similar to Imperviousness.
English → English (WordNet) Definition: imperviousness imperviousness n : resistance to penetration by a liquid [syn: impenetrability] [ant: penetrability, penetrability]
English → English (gcide) Definition: Imperviousness Impervious \Im*per"vi*ous\, a. [L. impervius; pref. im- not + per through + via way. See Voyage.] Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air. [1913 Webster] This gulf impassable, impervious. --Milton. [1913 Webster] The minds of these zealots were absolutely impervious. --Macaulay. Syn: Impassable; pathless; impenetrable; imperviable; impermeable. -- Im*per"vi*ous*ly, adv. -- Im*per"vi*ous*ness, n. [1913 Webster]