semipermeable Syllabification: (sem·i·per·me·a·ble)Pronunciation: /ˌsemēˈpərmēəbəl, ˌsemˌī-/Definition of semipermeable adjective (of a material or membrane) allowing certain substances to pass through it but not others, especially allowing the passage of a solvent but not of certain solutes. semipermeable in other Oxford dictionaries Definition of semipermeable in the British & World English dictionary
