Impermeable

[ɪm'pɜːmɪəb(ə)l] or [ɪm'pɝmɪəbl]

Definition

(adj.) preventing especially liquids to pass or diffuse through; 'impermeable stone'; 'an impermeable layer of scum'; 'a coat impermeable to rain' .

Editor: Maris--From WordNet

Definition

(a.) Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air.

Typed by Ethan

Synonyms and Synonymous

a. Impervious, impenetrable, impassable.

Checker: Tina

Synonyms and Antonyms

[See PERMEABLE]

Inputed by Katrina

Definition

adj. not permitting passage: impenetrable.—ns. Impermeabil′ity Imper′meableness.—adv. Imper′meably.—n. Imper′meātor a device in a steam-engine for forcing lubricating oil uniformly into the cylinder.

Inputed by Clara