Akademik

porous
adj.
1 full of pores.
2 letting through air, water, etc.
3 (of an argument, security system, etc.) leaky, admitting infiltration.
Derivatives:
porosity n. porously adv. porousness n.
Etymology: ME f. OF poreux f. med.L porosus f. L porus PORE(1)

Useful english dictionary. 2012.