ˈ ̷ ̷ ̷ ̷əbəl adjective
Etymology: Late Latin permeabilis, from Latin permeare to permeate + -abilis -able — more at permeate
: capable of being permeated : passable , penetrable , pervious
class lines are moderately permeable in a democratic society — Abram Kardiner
— used especially of a substance that allows the passage of fluids
a permeable membrane
white limestone … extremely permeable to water — Journal of Geology
• per·me·able·ness noun -es
• per·me·ably -blē, -bli adverb