• Preferential distribution of the waves in electromagnetic radiation so that the waves are parallel to each other rather than randomly distributed around the line of travel of the wave. Radiation can start out polarised, like synchrotron radiation, or have polarisation thrust upon it, by reflection or scattering.


  • noun a characteristic of light or radio or other electromagnetic waves in which the waves are aligned in one direction and show different properties in different directions
  • noun partial or complete polar separation of positive and negative electric charge


  • noun a provision of the Financial Services Act by which a financial adviser must either be tied to one financial product provider, or completely independent

Media Studies

  • noun the tendency to think and speak using oppositions, i.e. forming definitions by comparing something to something which it is not