English edit

Etymology edit

hypo- +‎ permeability

Noun edit

hypopermeability (uncountable)

  1. permeability to a lesser than usual degree
    • 1922, Teodor Barsony, International Medical and Surgical Survey: Obstetrics and ..., Volume 3, Issue 3[1]:
      "This may lead to hypopermeability of the pylorus and diminution of the filling of the bulbus."