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dipole

 - 6 dictionary results

di⋅pole

  [dahy-pohl]
Use dipole in a Sentence
–noun
1. Physics, Electricity. a pair of electric point charges or magnetic poles of equal magnitude and opposite signs, separated by an infinitesimal distance.
2. Physical Chemistry. a polar molecule.
3. Also called dipole antenna. 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.
Origin:
1910–15; di- 1 + pole 2

Related forms:
di⋅po⋅lar, adjective

polar molecule

 
–noun
a molecule in which the centroid of the positive charges is different from the centroid of the negative charges.
Also called dipole.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To dipole
di·pole   (dī'pōl')   
n.  

  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.

di·po'lar adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Main Entry:  dipole
Part of Speech:  n
Definition:  See polar molecule
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2009 Dictionary.com, LLC
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Medical Dictionary

Main Entry: di·pole
Pronunciation: 'dI-"pOl
Function: noun
1 : a pair of equal and opposite electric charges or magnetic poles of oppositesign separated by a small distance
2 : a body or system (as a molecule) having such charges
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
dipole   (dī'pōl')  Pronunciation Key 

  1. A pair of electric charges or magnetic poles, of equal magnitude but of opposite sign or polarity, separated by a small distance.

  2. A molecule having two such charges or poles.

  3. 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.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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