nuclear magnetic resonance
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Related to nuclear magnetic resonance: Nuclear magnetic resonance imaging
nuclear magnetic resonance:see magnetic resonancemagnetic resonance,
in physics and chemistry, phenomenon produced by simultaneously applying a steady magnetic field and electromagnetic radiation (usually radio waves) to a sample of atoms and then adjusting the frequency of the radiation and the strength of the magnetic field
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nuclear magnetic resonance[′nü·klē·ər mag′ned·ik ′rez·ən·əns]
A phenomenon exhibited by a large number of atomic nuclei, in which nuclei in a static magnetic field absorb energy from a radio-frequency field at certain characteristic frequencies. Abbreviated NMR. Also known as magnetic nuclear resonance.