nonporous
adjective
(alsonon-porous)uk/ˌnɒnˈpɔː.rəs/us/ˌnɑːnˈpɔːr.əs/Something that is nonporous does notallowliquidorairtopassthrough it:
Lay thesheeton a nonporoussurfaceuntil it isdry.
I alwayskeepmyspicesin non-porousglasscontainers.
- Fill in anygapswith a nonporousmaterial.
- Thewatercannotescapefrom the non-porousconcretebowl.
- The nonporousenamelsurfacemakes iteasytowash.
- They are made from a non-poroussubstance, so they won'tbecomestainedwhenfoodisstoredin them.