impermeable

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impermeable

 [im-per´me-ah-b'l]
not permitting passage, as for fluid.

im·per·me·a·ble

(im-per'mē-ă-bĕl),
Not permeable; not permitting the passage of substances (for example, liquids, gases) or heat through a membrane or other structure.
Synonym(s): impervious
[L. im- permeabilis, not to be passed through]

im·per·me·a·ble

(im-pĕr'mē-ă-bĕl)
Not permitting the passage of liquids, gases, or heat through a membrane or other structure.
[L. im- permeabilis, not to be passed through]
References in periodicals archive ?
Impermeability. A measure of the resistance of SCC series against the water impermeability is calculated by the impermeability test by applying pressure over a period of 72 hours.
(2011) also observed a 6% decrease of NDF proportion associated with the use of double sealing with high oxygen impermeability, when compared to the conventional sealing.
(iii) Study of the properties of fiber-reinforced concrete, depending on the characteristics of the composite binder taking into account peculiarities of structure formation to improve the impermeability and strength characteristics, research on characteristics of water absorption and gas, water, and vapor permeability of developed concrete, and experimental industrial testing of the proposed compositions
Besides, ENR50-GR composites showed very good impermeability to [O.sub.2] gas as compared to other compositions owing to the homogeneous distribution and the platelet like morphology of the GR layers in the ENR matrix and also due to the hydrogen bonds between ENR and GR layers.
Furthermore, the impermeability of Puzizhier fault was obtained from the result of tests.
Abnormal expression of molecular markers for bladder impermeability and differentiation in urothelium of interstitial cystitis patients.
The results indicated that lime increased the stability impermeability and load-bearing capacity of the subgrade which was in accordance with the findings of Rayes and Ahmed (1974).
The modification of dielectric impermeability tensor and stress meet with the following equation:
The Times Literary Supplement was admirably adapted to this purpose, of a neverfailing toughness and impermeability.
These data indicate that a high number of isolates probably have resistance due to impermeability or multi-drug efflux or a combination of multiple unrelated resistance mechanisms.
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.