Pronunciation: (dī'pōl"), [key]
1. Physics, Elect.a pair of electric point charges or magnetic poles of equal magnitude and opposite signs, separated by an infinitesimal distance.
2. Physical Chem.a polar molecule.
3. Also called di'pole anten'na. Radio, Television.an antenna of a transmitter or receiving set consisting of two equal rods extending in opposite direction from the connection to the lead-in wire.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.