porousness n 1: the property of being porous; being able to absorb fluids [syn: {porosity}, {porousness}] [ant: {solidity}, {solidness}]
Porousness \Por"ous*ness\, n. 1. The quality of being porous. [1913 Webster] 2. The open parts; the interstices of anything. [R.] [1913 Webster] They will forcibly get into the porousness of it. --Sir K. Digby. [1913 Webster]