'magnetic monopole' definitions:
Definition of 'magnetic monopole'
From: WordNet
noun
A hypothetical particle with a single magnetic pole instead of the usual two
Definition of 'magnetic monopole'
From: GCIDE
- magnetic monopole \magnetic monopole\ (Physics), a hypothetical subatomic particle having only one type of magnetic charge, the magnetic analogue of an electrically charged particle; it has only one magnetic pole instead of the two observed in all common magnetic object; -- it was still not observed as of 1998. [PJC]