Permeable

Look up permeability, permeable, semipermeable in Wiktionary, the free dictionary.

Permeability, permeable and semipermeable have several meanings:

• Permeability (electromagnetism), is the degree of magnetization of a material in response to a magnetic field
• Permeability (earth sciences), 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
• Permeation of a gas or vapor through a solid substance
• Vascular permeability, the movement of fluids and molecules between the vascular and extravascular compartments
• Permeability (spatial and transport planning), the extent to which the layout of urban forms enables people or vehicles to move in different directions

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