Definition of impermeable Impermeable
im•per•me•a•ble
We found 6 definitions of impermeable from 5 different sources.
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What does impermeable mean?
WordNet
Adjective |
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| impermeable - preventing especially liquids to pass or diffuse through; "impermeable stone"; "an impermeable layer of scum"; "a coat impermeable to rain" | ||
| permeable allowing fluids or gases to pass or diffuse through; "permeable membranes"; "rock that is permeable by water" | ||
| imperviable, impervious not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument" | ||
| tight affected by scarcity and expensive to borrow; "tight money"; "a tight market" | ||
| retentive having the power, capacity, or quality of retaining water; "soils retentive of moisture" | ||
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Wiktionary 
- impermeable (Adjective)
Impossible to permeate. - impermeable (Adjective)
Not allowing passage, especially of liquids; waterproof.
Webster DictionaryWebster's Unabridged Dictionary 📘
- impermeable (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.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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impermeable
Not permitting the passage of water.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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impermeable
im-pėr′mē-a-bl, 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
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