dipole

 
Pronunciation: /ˈdʌɪpəʊl/

noun

  • 1 Physics a pair of equal and oppositely charged or magnetized poles separated by a distance.
  • Chemistry a molecule in which a concentration of positive electric charge is separated from a concentration of negative charge.
  • 2an aerial consisting of a horizontal metal rod with a connecting wire at its centre.

Derivatives

dipolar

adjective