impermeability
Im*per`me*a*bil"i*ty, n. Etym: [Pref. im- not + permeability: cf. F. imperméabilité.] Defn: The quality of being impermeable.
Im*per`me*a*bil"i*ty, n. Etym: [Pref. im- not + permeability: cf. F. imperméabilité.] Defn: The quality of being impermeable.