impermeabilization
noun
im·per·me·a·bi·li·za·tion
(ˌ)imˌpərmēəˌbiləˈzāshən;
-bələ̇ˈz-,
-bəˌlīˈz-
plural -s
: the act of impermeabilizing something
Word History
Etymology
French imperméabilisation, from imperméabiliser + -ation