Search Result for "impermeability": 
Wordnet 3.0

NOUN (1)

1. the property of something that cannot be pervaded by a liquid;
[syn: impermeability, impermeableness]


The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

impermeability n 1: the property of something that cannot be pervaded by a liquid [syn: impermeability, impermeableness] [ant: permeability, permeableness]