Polarization or polarisation of transverse waves describes the orientation of oscillations in the plane perpendicular to the wave's direction of travel. Polarization or polarisation can also refer to: In the physical sciences:

Polarizer, a device which polarizes light

Polarization of an Abelian variety, in the mathematics of complex manifolds

Polarization (electrostatics), the vector field that results from permanent or induced electric dipole moments in a dielectric material

Racial polarization, the process whereby a population with varyingly diverse ancestry is divided into distinct, homogenous racial groups

Polarization of an algebraic form, a technique for expressing a homogeneous polynomial in a simpler fashion by adjoining more variables

Polarization (politics), the process by which the public opinion divides and goes to the extremes

Polarization in astronomy

Spin polarization, the degree by which the spin of elementary particles is aligned to a given direction

Polarization (psychology), the process whereby a social or political group is divided into opposing sub-groups

Polarity (disambiguation)

Depolarization and hyperpolarization of neuronal membrane potentials (in neuroscience).