Compressibility and Expansibility, sometimes mentioned as "properties," are but results of porosity.
The porosity of some of the rocks can here be readily distinguished.
The length of the steeping must depend upon the size and porosity of the limestone.
It dissolves the cantharidin, and at the same time gives to the collodion film the essential property of porosity.
In drying it shrinks, loses its porosity and requires long soaking to saturate it again.
Moosehide at best is not water repellent and is good for dry trails and dry snow work because of its porosity.
By physical character is meant the porosity which results from breaking up the soil.
A certain degree of porosity in the original rock is also known to favor the alteration.
The amount of pressure upon the clay in moulding also affects the density and porosity of tiles.
It is apparent that the different weights of woods, as between cedar and oak for example, are due chiefly to porosity.
late 14c., from Old French porosité, from Medieval Latin porositas, from porus (see pore (n.)).
porosity po·ros·i·ty (pə-rŏs'ĭ-tē, pô-)
n.
The state or property of being porous.
A structure or part that is porous.
A cavity or perforation.
