Adjective
Capable of being permeated, or passed through; yielding passage; passable; penetrable; -- used especially of substances which allow the passage of fluids; as, wood is permeable to oil; glass is permeable to light.
Source: Webster's dictionaryThe line between good and evil is permeable and almost anyone can be induced to cross it when pressured by situational forces. Philip Zimbardo
To say it another way, thinking, however abstract, originates in an embodied subjectivity, at once overdetermined and permeable to contingent events. Teresa de Lauretis
We fancy it rhetoric, when we speak of eminent virtue. We do not yet see that virtue is Height, and that a man or a company of men, plastic and permeable to principles, by the law of nature must overpower and ride all cities, nations, kings, rich men, poets, who are not. Ralph Waldo Emerson
I guess I find the boundaries between poetry and prose to be somewhat permeable. Kevin Powers
permeable membranes Source: Internet
rock that is permeable by water Source: Internet