dipole

(redirected from Magnetic polarity)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to Magnetic polarity: Magnetic reversal

dipole

 [di´pōl]
1. a molecule having separated charges of equal and opposite sign.
2. a pair of electric charges or magnetic poles separated by a short distance.

di·pole

(dī'pōl),
A pair of separated electrical charges, one or more positive and one or more negative; or a pair of separated partial charges.
Synonym(s): doublet (2)

dipole

/di·pole/ (di´pōl)
1. a molecule having separated charges of equal and opposite sign.
2. a pair of electric charges or magnetic poles separated by a short distance.

dipole

[dī′pōl]
1 a molecule whose ends carry opposite partial charges.
2 a molecule with areas of opposing electrical charges, such as hydrogen chloride, which has a predominance of electrons and a partial negative charge about the chloride portion and a partial positive charge on the hydrogen side.

dipole

An MRI term for a magnetic field with unique north and south magnetic poles separated by a finite distance.

di·pole

(dī'pōl)
A pair of separated electrical charges, one or more positive and one or more negative; or a pair of separated partial charges.
Synonym(s): doublet (2) .

dipole

1. a molecule having charges of equal and opposite sign.
2. a pair of electric charges or magnetic poles separated by a short distance.
References in periodicals archive ?
Stratigraphic correlation using the records of remnant magnetic polarity has been done extensively in the Late Cenozoic Siwalik Group of the Potwar Plateau of Pakistan.
Magnetic polarity stratigraphy and vertebrate palaeontology of the Upper Siwalik subgroup of Jammu Hills, India.
Firstly, the current direction is determined by magnetic polarity because current is interrupted by magnetic action.
Sediment cores taken from deep ocean floors can tell scientists about magnetic polarity shifts, providing a direct link between magnetic field activity and the fossil record.
So while magnetic polarity measurements give us ages within millions to hundreds of thousands of years, intensity measurements give us ages within thousands to tens of thousands of years--a minute hand on the magnetic clock.
Still under development, MRAM depends on magnetic polarity to store data, rather on electricity like DRAM chips, and stores bits in magnetic layers rather than in charges, yielding non-volatile solid-state storage with speeds comparable to SRAM.
When a strand of the Sun's magnetic field rises from the interior and breaks through the Sun's visible surface (the photosphere), it forms a pair of adjacent patches having opposite magnetic polarity.
Write capability, which is the ability to alter magnetic polarity, could not be verified with the particular devices tested.
The biostratigraphy and magnetic polarity zonation of the Pabbi Hills northern Pakistan: An Upper Siwalik (Pinjor Stage) Upper PlioceneLower Pleistocene fluvial sequence.
Fassett has analyzed the magnetic polarity of the rocks, and the pollen grains they contain, different approaches to finding the age of rocks, which, he concludes "independently indicate that they do indeed post-date the extinction".
The sun's surface layer is divided into alternating bands of electric charge, either positive or negative, and each band has a different magnetic polarity.
The bipolar regions are usually oriented east-west, and their magnetic polarity is opposite in the Sun's northern and southern hemispheres.