'Impermeableness' definitions:
Definition of 'impermeableness'
From: WordNet
noun
The property of something that cannot be pervaded by a liquid [syn: impermeability, impermeableness] [ant: permeability, permeableness]
Definition of 'Impermeableness'
From: GCIDE
- Impermeable \Im*per"me*a*ble\, a. [Pref. im- not + permeable: cf. F. imperm['e]able, L. impermeabilis.] Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air. -- {Im*per"me*a*ble*ness}, n. -- {Im*per"me*a*bly}, adv. [1913 Webster]