Definition of spectrometer
1
: an instrument used for measuring wavelengths of light spectra
2
: any of various analytical instruments in which an emission (as of particles or radiation) is dispersed according to some property (such as mass or energy) of the emission and the amount of dispersion is measured
nuclear magnetic resonance spectrometer
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Merriam-Webster unabridged
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Time Traveler for spectrometer
The first known use of spectrometer was in 1874
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