permeable[adjective]Synonyms: penetrable, pervious, porose, porous
Antonyms: impermeable
Contrasted words: impassable, impenetrable, impervious
Related Words: passable [TahlilGaran] English Synonym Dictionary ▲
 per‧me‧a‧ble /ˈpɜːmiəb
əl $ ˈpɜːr-/ 
 adjective technical material that is permeable allows water, gas etc to pass through it
 Antonym : impermeable: 
 the permeable cell membrane—permeability /ˌpɜːmiəˈbɪləti, ˌpɜːmiəˈbɪlɪti $ ˌpɜːr-/
 noun [uncountable]  [TahlilGaran] Dictionary of Contemporary English ▲