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Medical Dictionary

semipermeable

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adjective semi·per·me·able \ˌsem-i-ˈpər-mē-ə-bəl, ˌsem-ˌī-\

Medical Definition of semipermeable

  1. :  partially but not freely or wholly permeable; specifically :  permeable to some usually small molecules but not to other usually larger particles <a semipermeable membrane>

  2. semi·per·me·abil·i·ty \-ˌpər-mē-ə-ˈbil-ət-ē\play noun, plural semi·per·me·abil·i·ties




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