dipole definition by Webster's New World
- Physics any system having two equal but opposite electric charges or magnetic poles separated by a very small distance
- Chem. a polar molecule in which the centers of positive and negative charge are separated
- 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 feedin full dipole antenna
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- dipolar adjective
dipole definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Physics A pair of electric charges or magnetic poles, of equal magnitude but of opposite sign or polarity, separated by a small distance.
- Chemistry A molecule having two such charges or poles.
- Electronics An antenna, usually fed from the center, consisting of two equal rods extending outward in a straight line.
- di·poˈlar adjective
dipole - Science Definition
- A pair of electric charges or magnetic poles, of equal magnitude but of opposite sign or polarity, separated by a small distance.
- A molecule having two such charges or poles.
- An antenna consisting of two rods of equal length extending outward in a straight line. Dipole antennas are usually used for frequencies below 30 megahertz.