polarisation

/P OW0 L ER0 AH0 Z EY1 SH AH0 N/
noun
  1. 1

    The production or the condition of polarity

  2. 2

    The production of polarized light; the direction in which the electric field of an electromagnetic wave points

  3. 3

    The separation of positive and negative charges in a nucleus, atom, molecule or system

  4. 4

    The grouping of opinions into two extremes

Source: https://en.wiktionary.org/wiki/polarisation, https://en.wiktionary.org/wiki/polarization