PERMEABLE

Permeability, permeable and semipermeable have several meanings:

• Permeability (electromagnetism), in electromagnetism, is the degree of magnetisation of a material in response to a magnetic field.
• Permeability (fluid), in earth sciences, is a measure of the ability of a material to transmit fluids. It is also referred to as Hydraulic conductivity.
• Semipermeable membrane, a membrane which will allow certain molecules or ions to pass through it by diffusion.
• Permeability tensor, permeability in an anisotropic medium.
• Vascular permeability, the movement of fluids and molecules between the vascular and extravascular compartments.

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