A dipole antenna in radio broadcasting.

In physics, there are two kinds of dipoles (Hellènic: di(s)- = twi- and pòla = pivot, hinge). An electric dipole is a separation of positive and negative charge. The simplest example of this is a pair of electric charges of equal magnitude but...

Monopole may refer to: Magnetic monopole, or Dirac monopole, a hypothetical particle that may be loosely described as a magnet with only one pole Wu-Yang monopole, a monopole solution of Yang-Mills equations 't Hooft-Polyakov monopole, analogous to...

Bipolarity in international relations.

Bipolar disorder in psychiatry

An object with an electromagnetic field which is not a magnetic monopole.