['nɔn'pɔ:rәs]
无孔的

[ adj ]
not porous; especially not having vessels that appear as pores
<adj.all>
nonporous wood

nonporous \nonporous\ adj.
Not porous; especially, not having vessels that appear as
pores; as, nonporous wood. Opposite of {porous}.
[WordNet 1.5]