impervious

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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]

impervious

(ĭm-pĕr′vē-ŭs) [L. impervius]
Unable to be penetrated.
References in periodicals archive ?
In addition to EPT and MSC, macroinvertebrates data were also grouped according to pollution tolerance and graphed against imperviousness (Figure 4).
Additionally, sensitivity analyses for finding sensitive parameters, imperviousness identification, first flush study to search for a possibility of controlling the initial portion of runoff, and evaluation of sampling approaches were carried out.
Percent surface imperviousness at different radii (m) around the outdoor monitoring point Location name 0 100 300 400 500 800 Allen Park 13.0 29.3 51.5 50.9 47.9 44.8 Canton 59.0 33.8 36.3 36.2 37.1 35.5 Conner 69.0 64.1 75.1 74.3 74.8 73.4 Corktown 35.0 48.9 48.8 53.0 59.7 65.8 East Detroit 61.0 71.0 50.4 52.2 53.4 54.5 East Jefferson 32.0 37.0 41.1 44.5 45.1 49.1 Garden City 47.0 50.5 50.8 51.1 51.9 52.7 Indian Village 58.0 42.2 41.2 43.5 47.0 51.2 Joy Rd.
These statistics were evaluated along with an inspection of scatter plots of the predicted imperviousness versus measured imperviousness (NLCD 2006) for each trial.
floor, they were, at last, imperviousness in motion.
Cairo's role as the burial place of many powerful saints and holy figures, not least of whom is Al-Hussein, Seddik explains, was considered the reason for its imperviousness to attack.
I thought it was a defining moment in a season that challenged the imperviousness of football and old certainties.
He detours into the unexamined background of supposedly neutral pundits on defence policy issues, the imperviousness of Canadians to conservative values and the reliance of corporations on government for support and on the courts for various protections and rights.
For us the ordinary human beings, such a degree of inhumanity shown by the leaders of the United States towards the people of a great country and callous imperviousness to the suffering of so many people is hard to understand.
The imperviousness of economic law to political law is shown in this historic fact: in the long run every state collapses, frequently disappears altogether and becomes an archeological curio.
That's often true, but one problem is in the data meta-analysis analyzes, not in the imperviousness of beliefs.
"The new technology, for which a patent has been filed, offers optimum insulation values, high imperviousness, full flexibility and, since we are dealing with a closed system, the combination of more safety and a much longer service life," he stated.