impermeable adjective - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of impermeable adjective from the Oxford Advanced American Dictionary

impermeable

adjective

NAmE//ɪmˈpərmiəbl//

impermeable (to something) (technology)

not allowing a liquid or gas to pass through impermeable rock opposite permeable The insulating material should be impermeable to water vapor.

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See impermeable in the Oxford Advanced Learner's Dictionary

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