What is another word for impermeabilities?
Pronunciation: [ɪmpˌɜːməbˈɪlɪtiz] (IPA) 
Impermeabilities refer to the state of being incapable of being penetrated or passed through. Synonyms for this word include imperviousness, impenetrability, impermeableness, and inaccessibility. These terms describe the inability of substances or materials to allow the passage of air, water, or other liquids. Other possible synonyms for impermeabilities are unyieldingness, indestructibility, and invulnerability. These words emphasize the resistance of objects against any forces that try to penetrate them. In engineering, the term "impermeability" is often used to describe the ability of a material to resist water, vapor, or gas. Thus, synonyms of impermeabilities are essential in communicating technical ideas accurately.
