'Impermeability' definitions:
Definition of 'impermeability'
(from WordNet)
noun
The property of something that cannot be pervaded by a liquid [syn: impermeability, impermeableness] [ant: permeability, permeableness]
Definition of 'Impermeability'
From: GCIDE
- Impermeability \Im*per`me*a*bil"i*ty\, n. [Pref. im- not + permeability: cf. F. imperm['e]abilit['e].] The quality of being impermeable. [1913 Webster]