Antonyms of adj nonporous

1 sense of nonporous

Sense 1
nonporous (vs. porous) -- (not porous; especially not having vessels that appear as pores; "nonporous wood")

porous (vs. nonporous), poriferous -- (full of pores or vessels or holes)
        => porose -- (forming a continuous series of pores; "a porose hymenium")

Similarity of adj nonporous

1 sense of nonporous

Sense 1
nonporous (vs. porous) -- (not porous; especially not having vessels that appear as pores; "nonporous wood")