porous


Concise Oxford English Dictionary © 2008 Oxford University Press:
porous/ˈpɔːrəs/
adjective (of a rock or other material) having minute interstices through which liquid or air may pass.
– derivatives
porosity noun,
porousness noun.
– origin ME: from OFr. poreux, based on L. porus ‘pore’.
'porous' also found in these Oxford entries:

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