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dipole
[ dahy-pohl ]
noun
- Physical Chemistry. a polar molecule.
- 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岹ɪˌəʊ /
noun
- two electric charges or magnetic poles that have equal magnitudes but opposite signs and are separated by a small distance
- a molecule in which the centre of positive charge does not coincide with the centre of negative charge
- 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
dipole
- 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.
Derived Forms
- 徱ˈDZ, adjective
Other Word Forms
- 徱·· [dahy-, poh, -ler], adjective
Example Sentences
“There is a large disparity from north to south,” Swain said, adding that this pattern of a north-south “dipole” appears likely to persist.
Earth's dipole field, created by its liquid outer iron core, produces a magnetic field that loops from the North Pole to the South Pole and is the reason compasses point toward the poles.
However, their transition rate is substantially lower compared with electric dipole moments.
Under mid-infrared illumination, this material transforms into a state of permanently ordered electrical dipoles, which is absent in its equilibrium phase diagram.
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.
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