spectrometer has definitions from the fields of physics,optics
1
[ noun ] (physics,optics) spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer

Used in print

(James A. Ibers et al., "Proton magnetic resonance...)

The magnetic_resonance absorption was detected by employing a Varian model **f broad line spectrometer and the associated 12 - inch electromagnet system .

The spectrometer was adjusted to minimize the amount of dispersion mode mixed_in with the absorption signal .

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