Dictionary
nu'clear magnet'ic res'onance
Physics.
the selective absorption of electromagnetic radiation by an atomic nucleus in the presence of a strong, static, magnetic field: used in research and in medicine to monitor tissue metabolism and to distinguish between normal and abnormal cells. Cf.
MRI. Abbr.: NMR
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.