from The American Heritage® Dictionary of the English Language, 5th Edition.

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

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics any object (such as a magnet, polar molecule or antenna), that is oppositely charged at two points (or poles)
  • noun chemistry any molecule or radical that has delocalised positive and negative charges
  • noun radio a dipole antenna

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a pair of equal and opposite electric charges or magnetic poles separated by a small distance
  • noun an aerial half a wavelength long consisting of two rods connected to a transmission line at the center


from Wiktionary, Creative Commons Attribution/Share-Alike License

From di- +‎ pole.



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  • a quarter wave-length antenna that is easy to construct

    August 19, 2009