Webster’s Revised Unabridged Dictionary · 1913
Impermeability
Im·per′me·a·bil′i·ty (ĭm·pẽr′mē·ȧ·bĭl′ĭ·ty̆), n. [Pref. im- not + permeability: cf. F. imperméabilité.] The quality of being impermeable.
Webster’s Revised Unabridged Dictionary · 1913
Im·per′me·a·bil′i·ty (ĭm·pẽr′mē·ȧ·bĭl′ĭ·ty̆), n. [Pref. im- not + permeability: cf. F. imperméabilité.] The quality of being impermeable.