˜yÐÄvlog

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dipole

[ dahy-pohl ]

noun

  1. Physics, Electricity. a pair of electric point charges or magnetic poles pole of equal magnitude and opposite signs, separated by an infinitesimal distance.
  2. Physical Chemistry. a polar molecule.
  3. Also called di·pole an·ten·na [dahy, -pohl an-, ten, -, uh]. 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.


dipole

/ ˈ»å²¹ÉªËŒ±èəʊ±ô /

noun

  1. two electric charges or magnetic poles that have equal magnitudes but opposite signs and are separated by a small distance
  2. a molecule in which the centre of positive charge does not coincide with the centre of negative charge
  3. Also calleddipole aerial a directional radio or television aerial consisting of two equal lengths of metal wire or rods, with a connecting wire fixed between them in the form of a T
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

dipole

/ »åī′±èűô′ /

  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.
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Derived Forms

  • »å¾±Ëˆ±è´Ç±ô²¹°ù, adjective
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Other ˜yÐÄvlog Forms

  • »å¾±Â·±è´Ç·±ô²¹°ù [dahy-, poh, -ler], adjective
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˜yÐÄvlog History and Origins

Origin of dipole1

First recorded in 1910–15; di- 1 + pole 2
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Example Sentences

Examples have not been reviewed.

“There is a large disparity from north to south,†Swain said, adding that this pattern of a north-south “dipole†appears likely to persist.

From

If the interior is electrically conducting, a thick layer of convecting material will generate a dipole magnetic field similar to that of a bar magnet.

From

However, their transition rate is substantially lower compared with electric dipole moments.

From

Under mid-infrared illumination, this material transforms into a state of permanently ordered electrical dipoles, which is absent in its equilibrium phase diagram.

From

With the cycle of sunspots, the Sun's dipole field is also observed to wax and wane in strength, the north and south magnetic poles swap places, also every 11 years.

From

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