porousness, porosity

ns [U] quality or state of being porous 渗透性.

populous, porcelain, porch, porcine, porcupine, pore, pork, pork pie, pork-barrel, pork-butcher, pork-pie hat, porker, porn, porno, pornographer, pornographic, pornographically, pornography, porosity, porous, porphyry, porpoise, porpoise(title), porridge, port, port of call, portability, portable, portage, portal, portal vein, portcullis, portend, portent, portentous, portentously, porter, porter's lodge, porterage, porterhouse steak,