dipole

(pōl′)

noun

  1. Physics any system having two equal but opposite electric charges or magnetic poles separated by a very small distance
  2. Chem. a polar molecule in which the centers of positive and negative charge are separated
  3. a radio or television antenna that is a single linear conductor (commonly equal in length to one half the wavelength at the frequency employed) separated at the center as by a transmission line feed

Related Forms:

See dipole in American Heritage Dictionary 4

noun
  1. Physics A pair of electric charges or magnetic poles, of equal magnitude but of opposite sign or polarity, separated by a small distance.
  2. Chemistry A molecule having two such charges or poles.
  3. Electronics An antenna, usually fed from the center, consisting of two equal rods extending outward in a straight line.

Related Forms:

  • di·poˈlar adjective

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