permeable
adjectiveUK /ˈpɜː.mi.ə.bəl/
US /ˈpɝː.mi.ə.bəl/
Something permeable lets water or air pass through it.
The sponge is permeable, so water goes right through it.
SYNONYMS
RELATED WORDS
OTHER MEANINGS
2. Allowing liquids or gases to spread through a material.
The permeable soil let the rainwater soak in quickly.
3. Open to ideas or influence; not closed off.
Her mind was permeable to new suggestions.
4. In science, able to let a substance pass across a barrier.
The cell membrane is permeable to small molecules.