porous

Mali is a regional terrorist stronghold, as is Niger, which shares a porous border with Nigeria.

By embedding a helper enzyme, carbonic anhydrase, into a porous titania structure, the researchers enabled the system to work in a simple bicarbonate solution — similar to sparkling water — without unsustainable additives.

Not only does Reaves play like an All-Star but the team plays with more enthusiasm and joy when not constrained by LeBron’s slow and deliberate pace, and hampered by LeBron’s porous defense.

It’s a little easier to trust Denver’s offense at the moment, and that Texans offensive line is porous.

It was, in miniature, the theater’s whole ethos: a porous boundary between art and life.