Online Google Dictionary

impervious 中文解釋 wordnet sense Collocation Usage Collins Definition
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Not allowing fluid to pass through,
  1. Not allowing fluid to pass through
    • - an impervious layer of basaltic clay
  2. Unable to be affected by
    • - he worked, apparently impervious to the heat

  1. not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument"
  2. (imperviousness) impenetrability: the quality of being impenetrable (by people or light or missiles etc.)
  3. Permeability in fluid mechanics and the earth sciences (commonly symbolized as κ, or k) is a measure of the ability of a porous material (often, a rock or unconsolidated material) to transmit fluids.
  4. unaffected or unable to be affected by; preventative of any penetration; impenetrable, impermeable; immune to damage or effect
  5. (imperviousness) The state of being impervious
  6. (Imperviousness) Resistance to penetration by a liquid and is calculated as the percentage of area covered by a paving system that does not allow moisture to soak into the ground.
  7. The degree of vitrification evidenced visually by complete resistance to dye penetration.
  8. Soil that has become tightly packed because of foot traffic, construction etc.
  9. Not allowing infiltration.
  10. is a term used to describe materials which resist the passage of water. - i.e. water will not dissolve in them, nor pass through them in any way.
  11. Waterproof coverings that do not permit infiltration of water and that increase the volume and speed of runoff water. Examples include: roofs, parking lots, roads and driveways.
  12. Not allowing, or allowing only with great difficulty, the movement of water; impermeable.
  13. On an MSDS, impervious is a term used to describe protective gloves and other protective clothing. If a material is impervious to a chemical, then that chemical cannot readily penetrate through the material or damage the material. ...
  14. Description of a material that prevents passage of a fluid (i.e., asphalt surfaces)
  15. A surface that water can’t penetrate, such as streets, buildings, and parking lots
  16. On sites, impervious areas are those that do not allow the passage of water into the soil.  Parking lots, sidewalks, patios and the area within the building footprint are all examples of site elements that are traditionally constructed with solid materials that do not allow water to pass through ...
  17. A term applied to a material through which water cannot pass or passes with great difficulty; impermeable.
  18. Having a solid surface that doesn’t allow water to penetrate, forcing it to run off.   Examples are asphalt, concrete and brick.
  19. Adjective describing a smooth surface that does not become wet or retain particles.
  20. Material that does not allow another substance to pass through or penetrate it.
  21. Resistant to penetration by fluids or roots.
  22. not affected by something or not feeling the effects of something.
  23. Any material that prevents or impedes the percolation or absorption of water into the ground. See Figure 6.
  24. Impervious means impenetrable. Completely resisting entrance of liquids.
  25. a person who remains unmoved and unaffected by other people's opinions, arguments or suggestions