1. The quality or state of being impermeable; the inability of a substance to allow liquids or gases to pass through it
The impermeability of the plastic coating protects the contents from moisture.
A impermeabilidade do revestimento de plástico protege o conteúdo da umidade.
2. The property of being impenetrable or resistant to external influence
The impermeability of his resolve made him unmovable in his decision.
A impermeabilidade de sua determinação o tornou inabalável em sua decisão.
3. In geology and soil science, the characteristic of rock or soil that prevents the passage of water
The impermeability of the clay layer creates an underground water barrier.
A impermeabilidade da camada de argila cria uma barreira de água subterrânea.