electron spin resonance
- noun (written as electron-spin resonance)a type of spectroscopy in which microwave radiation is used
- The resonant absorption of microwave radiation by a paramagnetic substance, which has at least one unpaired electron, in the presence of a strong magnetic field. Its abbreviation is ESR. Also called electron paramagnetic resonance, electron magnetic resonance, or paramagnetic resonance.
- synonymelectron magnetic resonance
- synonymelectron paramagnetic resonance