The word "porousness" is correct and usable in written English.
It is a noun that refers to the quality of being porous, or having small openings or pores, and can be used to describe something like a material or surface. Example sentence: "The porousness of the fabric allowed air and light to pass through easily."
Since this is the only line of defence against migration or smuggling, expansions of Schengen tend to set off scare stories about the porousness of new borders.Until three years ago, the Schengen area consisted of "the EU, minus two, plus two".
You do wonder whether Jonathan Davies's run past Shontayne Hape to create Wales's try for Morgan Stoddart exposed a porousness in the England defence that the best attacks will keep on exploiting.
Plate properties such as porousness, abrasion resistance, colour, and flexibility depend on the type, concentration, and temperature of the electrolyte, the strength of the electrical current and the processing time, and the type of metal being plated.
Nonetheless, this is an important reconsideration of the porousness of racial categories — which function, Sharfstein argues, "in terms of racism, not race; hierarchy as opposed to heredity; barriers instead of blood" — and also a powerful evocation of the peril and insecurity that blacks faced both before and after the Civil War.
In "I Love Dick," Kraus describes the intense porousness of a schizophrenic mind — "the world gets creamy like a library" — and the world of her writing is creamy, too: her narratives bleed and echo, texts wink at one another across their separate spines.
The porousness of Frankfurt's theoretical boundary between lies and bullshit is apparent in Laura Penny's "Your Call Is Important to Us: The Truth About Bullshit" (Crown; $21.95).
Through Monteleone's photographs, you can see the proximity and porousness of the Chinese border, you can see representatives of the numerous Asian indigenous populations and their Slavic colonizers, and you can even see the Jews of Birobidzhan.
Who would have guessed, after a year of headlines about the N.S.A. and about the porousness of life online, that our worries on that score — not so much the political unease as a basic ontological fear that our inmost self is possibly up for grabs — would be best enshrined in a weird little romance by the man who made "Being John Malkovich" and "Where the Wild Things Are"?
Technology, social media, and the growing porousness of international borders further erode censors' control.
"The Invisible Line," by Daniel J. Sharfstein (Penguin; $27.95) This is an important reconsideration of the porousness of racial categories — which function, Sharfstein argues, "in terms of racism, not race; hierarchy as opposed to heredity; barriers instead of blood" — and also a powerful evocation of the peril and insecurity that blacks faced both before and after the Civil War.
There is a young man's porousness to impressions, a marvellous ear for speech, and a willingness to let anecdotes play themselves out.
