per·me·able 
/ˈpɚmijəbəl/ adjective
/ˈpɚmijəbəl/ adjective [more permeable; most permeable] technical : allowing liquids or gases to pass through
▪ The cell has a permeable membrane. ▪ permeable limestone
▪ The cell has a permeable membrane. ▪ permeable limestone
— per·me·abil·i·ty /ˌpɚmijəˈbɪləti/ noun [noncount]
▪ They tested the permeability of the fabric.
/ˌpɚmijəˈbɪləti/ noun [noncount] ▪ They tested the permeability of the fabric.
