Journals

In science, permeability, permeable, and semipermeable may refer to one of the below.

Electromagnetism

• Permeability (electromagnetism), the degree of magnetization of a material in response to a magnetic field.
• Vacuum permeability, permeability of free space or magnetic constant, a physical constant, the value of magnetic permeability in a classical vacuum.

Chemistry

• Semipermeable membrane, a membrane which will allow certain molecules or ions to pass through it by diffusion
• Vascular permeability, the movement of fluids and molecules between the vascular and extravascular compartments
• Permeation of a gas or vapor through a solid substance

Earth and soil science

• Permeability (earth sciences), a measure of the ability of a material (such as rocks) to transmit fluids
• Permeability (foundry sand), is a test of the venting characteristics of a rammed foundry sand
• Hydraulic conductivity the permeability of soil for water

Vehicles and transport

• Permeability (nautical), in ship design, the percentage of empty space in a compartment or tank
• Permeability (spatial and transport planning), the extent to which the layout of urban forms enables people or vehicles to move in different directions

Music

• "Impermeable", a song by Ha*Ash from the album A Tiempo (2011)

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