impermeabilità betyder på engelska

impermeability▼(the quality of being impermeable)
noun
[UK: ɪm.ˌpɜː.mjə.ˈbɪ.lɪ.tɪ] [US: ɪm.ˌpɜː.mjə.ˈbɪ.lɪ.tɪ]

watertightness▼(condition of being watertight)
noun
[UK: ˈwɔːtətaɪtnəs ] [US: ˈwɔtərˌtaɪtnəs ]