impermeable

(redirected from impermeability)
Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.

impermeable

(of a substance) not allowing the passage of a fluid through interstices; not permeable

Impermeable

Resistance to penetration by fluids or vapor through the material.

impermeable

[im′pər·mē·ə·bəl]
(science and technology)
Not permitting water or other fluid to pass through. Also known as impervious.

impermeable

Said of a soil whose particles are so closely spaced that the passage of water is either prevented or very slow.
References in periodicals archive ?
Furthermore, the impermeability of Puzizhier fault was obtained from the result of tests.
Indeed, we found that cell impermeability was highly compromised after a short treatment with achyrofuran, and allowed uptake of the SYFOX green nucleic acid fluorescent stain (Fig.
Butyl rubber has excellent impermeability to air and moisture, which leads directly to the most important application of this polymer: the inner liner in automobile tires.
Impermeability seed coat to water is created by genetic and environmental factors; however, most researchers have shown that this feature is largely hereditary.
It is used in tyre inner liners for its high air impermeability.
The Co-Lining principle combines the impermeability of a PVC liner with the application speed and the permanent co-valent bond of rigid cellular polymer.
In IP67 versions, high performance impermeability seals protect against high pressure wash down.
Its near impermeability provides excellent protection for the vulnerable brain and helps ensure a healthy environment that facilitates neuronal communication, the growth of cerebral blood vessels and new brain cells.
The remaining Ziehl-Neelsen-negative and fluorescencenegative cases presented with a severe degree of necrosis, which in our opinion was the reason for dye impermeability and noninformative fluorescence.
Nanotechnology--incorporating particles so tiny that they impart greater strength, flexibility, impermeability and other qualities--appears to offer a wide range of applications for the motoring industry.