We don't have synonyms for spectrometers yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are spectrometry, spectrometer and electrometers.
(n) :
(analytical chemistry) An optical instrument for measuring the absorption of light by chemical substances; typically it will plot a graph of absorption versus wavelength or frequency, and the patterns produced are used to identify the substances present, and their internal structure.
(n) :
(analytical chemistry) An optical instrument for measuring the absorption of light by chemical substances; typically it will plot a graph of absorption versus wavelength or frequency, and the patterns produced are used to identify the substances present, and their internal structure.