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