Permeability

From Wikipedia, the free encyclopedia

Permeability, permeable and semipermeable have several meanings:

• Permeability (electromagnetism), is the degree of magnetization of a material in response to a magnetic field
• Permeability (fluid), is a measure of the ability of a material (such as rocks) to transmit fluids
• Semipermeable membrane, a membrane which will allow certain molecules or ions to pass through it by diffusion
• Permeability (nautical) in ship design is the percentage of empty space in a compartment or tank
• Vascular permeability, the movement of fluids and molecules between the vascular and extravascular compartments