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• n  the property of something that can be pervaded by a liquid (as by osmosis or diffusion)

• The permeability of cell membranes is altered; capillaries are injured; countless enzyme systems are ruined.
• Some cycles are as brief as seconds; the heart's permeability to certain chemical ions appears to shift back and forth in less than a minute.
• Perhaps what truly separates us from the British even now, in the era of Tony Blair's fox-hunting-be-damned Cool Britannia, is the permeability of our show-business class.

• permeableness

• impermeability

News & Articles

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• Changes in hyaluronan metabolism key in adaptation of keratinocytes to radiation injury
  ( University of Eastern Finland ) As the outermost layer of skin, epidermis is crucial in forming a permeability barrier and protection against various environmental agents. Thus, investigating the biology of its most important cell type, the keratinocyte, is key to understanding the effects of solar ultraviolet radiation in skin, and helps design effective means of protection against excessive ...
  July 2, 2013 - EurekAlert!