impervious


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to impervious: impervious soil

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 ?
CLF is working to ensure that communities achieve the full potential of this program by better managing stormwater runoff and by promoting smart growth practices that minimize impervious surface coverage.
The purpose of this study was to estimate the amount of impervious surface that could potentially be created by urbanization in the Damascus Urban Growth Boundary Expansion area in northern Clackamas County, Oregon.
While many cities bill for stormwater management by charging property owners based on average parcel size and land use, Denver's WMD bills property owners based on actual property size and total impervious surface area contained within the property.
Australia's sensitive and rare endemic water bugs are in decline around our urban fringes because streams and waterways are receiving unnatural runoff from the impervious surfaces laid in developed areas.
"Homophobia" is a made-up word, undefined, and in fact impervious to any reasonable definition.
RC1/4 and RC1/2 series fixed-carbon composition, non-inductive, low-capacitance resistors withstand larger short-term pulses and higher voltages than carbon film resistors, and are virtually impervious to ESD events.
It is impervious to moisture, dirt, and bacterial and fungal contamination.
* Minimizing impervious material (i.e., reducing concrete and asphalt paving areas); and
As a result, "super bugs" impervious to drugs can take hold of the fish.
Humiliation and failure would explode it, whereas true peace is impervious to events.
This product has been formulated for use in offset inks on impervious substrates.
She remains impervious to the turbulent red sea that surrounds her and crashes on a rocky shoreline--complete with gigantic chains and a geyser spouting birdhouses.