porous
adj. B2 Upper Intermediate US //ˈpɔɹəs// UK //pˈɔːɹəs// por·ous
adj. having many tiny holes that allow air or liquid to pass through slowly.
adj. possessing minute interstices through which fluids or gases may pass. Often used figuratively to describe boundaries or systems that are easily penetrated.
Sponges are very porous materials.
The gardener added sand to the heavy clay soil to make it more porous and improve drainage.
Geologists analyzed the porous limestone to determine how quickly groundwater could move through the aquifer and reach the local wells.
From Old French poros, from Latin porus (“an opening”). By surface analysis, pore + -ous.
Usage
Typically used as a gradable adjective; often appears after linking verbs like 'is' or 'seems'.