impermeable definition

  • adjective:
    • impractical to permeate: an impermeable membrane; an impermeable edge.
    • impossible to permeate
    • perhaps not permitting passage, especially of liquids; waterproof
    • Not permeable; not allowing passageway, by a fluid. through its material; impervious; impenetrable.
    • avoiding especially fluids to pass through or diffuse through
  • others:
    • Not permeable; perhaps not allowing the passage of a fluid (especially water) through its substance.

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