The property of having a strong magnetic moment from one or more unpaired electrons, causing orientation in a magnetic field; most significant in imaging are ions of certain transition metals such as gadolinium, iron, and manganese, or organic compounds that are stable free radicals; molecular oxygen also exhibits p..
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para·mag·ne·tism (par″ə-magґnə-tiz-əm) [para- + magnetism] the property of being attracted by a magnet and assuming a position parallel to that of a magnetic force without becoming permanently magnetized. paramagnetic adjMedical dictionary. 2011.