impermeability

from 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}]

from 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]

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