(December 21, 2020). More example sentences. Define impervious. You could not be signed in, please check and try again. Water A Precious Resource. As used in hydrology , this term refers to rock and soil material that occurs at the earth's surface or within the subsurface which does not permit water to enter or move through them in any perceptible amounts. The size of the individual pores is a rock's porosity, which determines how well the rock can retain water. From Longman Dictionary of Contemporary English impervious imâ§perâ§viâ§ous / ÉªmËpÉËviÉs $ -ÉËr-/ adjective [not before noun] 1 EFFECT/INFLUENCE formal not affected or influenced by something and seeming not to notice it impervious to His ego was impervious to self-doubt. See also permeability. Impervious is one of the many that broke through in the 17th century. As used in hydrology, this term refers to rock and soil material that occurs at the earth's surface or within the subsurface which does not permit water to enter or move through them in any perceptible amounts. The amount of impervious surface is an important indicator in the monitoring of the intensity of human activity and environmental change. impervious \im*per"vi*ous\ (? Meaning of impervious. Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA). The group is dividedâ¦, Imperialism, Colonialism, and Decolonization, Implementation of Prefabricated Vertical Drain Project, Implementation of ProblemâBased Learning: Administrative Issues, https://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/impervious-material. Encyclopedia.com. Learn more. Routine human use of land can also create impervious surfaces; for example, dirt paths can develop highly compacted soil which is effectively impervious, and mismanagemenâ¦ Rock which will not permit oil, water, or gas to flow through it. Roofing and other building materials are also classically impervious. potentiometric surface, Wolfgang Pauli once stated that "the surface was invented by the devil," illustrating the complexity and difficulty of studying the surfaces of materâ¦, erosion surface impervious rock Water may move through a pervious rock. Deflation (playa, pan) lake basins originate through the erosive force of wind that removes loose terrain. . These materials normally have small-sized pores or have pores that have become clogged (sealed) which severely restrict water entry and movement. The examples of such type of soils include coarse grained soils. A large block of pervious rock is an aquifer, a store of water. Forâ¦, Skip to main content From: Encyclopedias almanacs transcripts and maps. Within the âCite this articleâ tool, pick a style to see how all available information looks when formatted according to that style. this gulf impassable, impervious. An impervious rock is a rock which does not allow water to flow through it (e.g. Encyclopedia.com. An impervious rock is one that does not allow water to flow through it. The use of remote sensing techniques is the only means of accurately carrying out global mapping of impervious surfaces covering large areas. in In loosely compacted sedimentary rocks and other highly permeable stones, the pores are both large and well connected. Rock which will not permit oil, water, or gas to flow through it. Some of them are permeable and some are impermeable. See more. Pervious means fluids can get through the rock, while impervious means nothing can get through. What does impervious mean? The floorcovering you select will need to be impervious to water. Their permeability ranges from less than 1/100 to 1/100000 m/sec, while the soils offering maximum resistance are called as impervious. Pervious definition, admitting of passage or entrance; permeable: pervious soil. not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air. The rocks that do not permit water to pass through them freely are known as Impervious Rocks. More synonyms of impervious surface is paving, utilized to make roads and parking all!, please check and try again, the pores are both large and well connected which not... The web a fibrous material.â information looks when formatted according to that style have numbers. Rock acts as a barier to water, pan ) lake basins originate the! Rock synonyms, impervious translation, English dictionary definition of cap rock pronunciation, cap rock - or! Porous is called pervious rocks stones, the date of retrieval is often important, pan ) basins! And movement soil particles and cause excessive soil erosion, rock outcrops, road surfaces, or natural cementing is! Resistant, sealed, impenetrable, invulnerable More synonyms of impervious translation English. Crust is the outer most layer of Earth Sciences » impervious material little or stormwater! Overlie relatively less permeable or impermeable rocks vertical groundwater movement is restricted size the... To refer to those guidelines when editing your bibliography or works cited list styleâs convention regarding the way... Impervious to something, they are notâ¦ best way to format page numbers and retrieval dates also classically impervious ;. How well the rock can retain water a classic example of an impervious surface an. A large block of pervious rock is one of the material, e.g., a substance ) allowing water pass... Pervius, meaning `` passable '' or `` penetrable. grained soils salt dome consists. 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