dipole
Americannoun
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Physics, Electricity. a pair of electric point charges or magnetic poles of equal magnitude and opposite signs, separated by an infinitesimal distance.
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Physical Chemistry. a polar molecule.
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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.
noun
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two electric charges or magnetic poles that have equal magnitudes but opposite signs and are separated by a small distance
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a molecule in which the centre of positive charge does not coincide with the centre of negative charge
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Also called: dipole 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
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A pair of electric charges or magnetic poles, of equal magnitude but of opposite sign or polarity, separated by a small distance.
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A molecule having two such charges or poles.
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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.
Other Word Forms
Etymology
Origin of dipole
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These tiny magnets are called magnetic dipole moments.
From Science Daily ● Mar. 16, 2026
To test this generalized dipole model, Dr. Lokos suggested comparing it with real experimental data from the LHC.
From Science Daily ● Jan. 5, 2026
Two years ago, Prof. Kutak and Dr. Pawel Caputa of Stockholm University introduced an updated version of the dipole model.
From Science Daily ● Jan. 5, 2026
Most earlier studies of superradiance assumed that light-matter coupling dominates, modeling the entire atomic group as one large "giant dipole" connected to the cavity's electromagnetic field.
From Science Daily ● Nov. 3, 2025
The approved wire dipole antennas were supposed to be placed within a two-by-four-foot area on the wall—where, apparently, they did no good at all.
From "Newjack: Guarding Sing Sing" by Ted Conover
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