permeable
AdjectiveUS[pur-mee-uh-buhl]/ˈpɝˌmiəbəl/4 syllables
Open English WordNet
Adjective (1)
- allowing fluids or gases to pass or diffuse through“permeable membranes”“rock that is permeable by water”Opposite impermeableSimilar porous, semipermeableSee also leaky, pervious
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Webster's Dictionary (1913)
Per′me·a·ble adjective
Origin: L. permeabilis: cf. F. perméable. See Permeate.
Capable of being permeated, or passed through; yielding passage; passable; penetrable; — used especially of substances which allow the passage of fluids; as, wood is permeable to oil; glass is permeable to light. Isaac Taylor
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54