magnetic monopole

American  

noun

1. a hypothetical very heavy particle with an isolated magnetic north pole or magnetic south pole.

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magnetic monopole British  

noun

1. another name for monopole

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Example Sentences

For example, magnetic monopole quasiparticles have only one magnetic pole — unlike all ordinary magnets, which always have a north and a south.

From Nature • Jul. 2, 2020

Physicists can’t find natural magnetic monopole so they make their own, in a Bose-Einstein sort of way.

From Scientific American • Feb. 1, 2014

The unexpected particle, they said, was almost surely a magnetic monopole, the long-sought basic unit of magnetism.

From Time Magazine Archive

He is impatient with lesser minds than his and is intellectually restless: his current projects range from tracking down the magnetic monopole, another elusive particle, to searching for antimatter.

From Time Magazine Archive