Impervious

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impervious

[im′pər·vē·əs]
(science and technology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Impervious

Resistant to water.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

impervious

In ceramics, that degree of vitrification evidenced visually by complete resistance to dye penetration; generally signifies zero absorption of water, except for floor and wall tile, which may absorb up to 0.5% water.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Multiple regression revealed that imperviousness was a significant factor, but watershed size was not (Table III).
The overall imperviousness is relatively low, depicting a large basin with mixed land use, which has a high impact on reducing the runoff coefficient.
Where: %IMP is percent imperviousness of the unprotected area of the block group
According to Thermamax, the technical challenge for these new-generation compensator insulation systems was to combine the benefits of Thermamax direct insulations (tmax integral insulation) regarding insulating properties, durability and imperviousness with the technical requirements of compensators and bellows with respect to flexibility.
Faced with their imperviousness to reason, I thought I would try ridicule, the favored weapon of satirists and cartoonists.
Developing perfect intelligence on every shipment or complete imperviousness in the six-million-square-mile transit zone seems unlikely.
Baker stresses Coryate's concern with his image in London and Odcombe (his home village) and his apparent imperviousness to the cultures through which he traveled.
Whether or not the rejection of an historicist methodology, however, and the consequential imperviousness to falsification, amounts to a criticism of the 'New Wittgenstein' approach, is a question which involves a value judgment which each reader must make for him/herself.
The extra infill housing will have added somewhat to the imperviousness of the catchment and this is known to be harmful to invertebrate populations, especially if the impervious surfaces are directly connected to the water ways.
Current methods of managing storm water largely fail to address the underlying problem of imperviousness. Storm water collected in separate systems typically is not treated before being discharged; even when it is treated, the treatment fails to address the scouring, erosion, and other physical impacts of storm water discharges.
For, in addition to their structural soundness and imperviousness to the passage of air, they are also keenly adept at resisting the passage of heat.
Miller's Consuming Religion is the imperviousness of consumerism to dissent.