impermeable


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impermeable

 [im-per´me-ah-b'l]
not permitting passage, as for fluid.

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]

im·per·me·a·ble

(im-pĕr'mē-ă-bĕl)
Not permitting the passage of liquids, gases, or heat through a membrane or other structure.
[L. im- permeabilis, not to be passed through]
References in periodicals archive ?
Due to its impermeable character for moisture the phenomenon of osmosis does not occur.
"I think some sort of impermeable membrane is the solution and meanwhile the area needs to be checked regularly.
Water moves freely between intra-cellular and extra-cellular compartments in response to osmotic pressure gradients created by effective solutes (Na+, K+, and mannitol) that are impermeable to the cell membrane (1).
Army Corps of Engineers used a 900-foot section to compare the effectiveness of three Mirafi products--an impermeable geosynthetic textile and two types of a more loosely woven material known as geogrid.
Plus, with the addition of barrier films and construction techniques, the material can be made impermeable to air if necessary.
One approach to coping with loss of methyl bromide as a soil fumigant in commercial strawberry and vegetable fields is to use a special plastic covering called a "virtually impermeable film," or VIF.
The triple-seal bellows, gland packing and stem seal act as an impermeable barrier between the fluid and environment.
In suburban areas where homes are built on one-third-acre lots, about 35 percent of the ground is impermeable to precipitation.
When the investigators measured Dermatophagoides pteronyssinus allergen in mattress dust, they found only a modest reduction with the impermeable covers, and no reduction relative to the control covers.
Indeed, most of the well-known pieces record a nearly successful transformation of flesh into gloss or shine, the near eclipse of flesh by shiny materials, the synthetic embrace of the body that closes it off from the possibilities of touch, the transformation, through muscle building, of the body itself into a formidable and impermeable surface.
The oil sits in the pores and is prevented from escaping by an upper layer of impermeable rock.
To assist the NHS in running a computer environment impermeable to virus attacks, Sophos is making this service available free of charge.