spectrometer
noun
- device for measuring values along a spectrum
Wiktionary
Pronunciation: /spɛkˈtɹɒm.ɪ.tə/ / /spɛkˈtɹɑm.ɪ.təɹ/ / /spɛkˈtɹɒm.ɪ.təɹ/
noun
Etymology: Etymology tree Proto-Indo-European *speḱ- Proto-Indo-European *-yeti Proto-Indo-European *spéḱyeti Proto-Italic *spekjō Latin speciō Proto-Indo-European *-tḗr Proto-Indo-European *-trom Proto-Italic *-trom Latin -trum Latin spectrumbor. English spectrum English spectro- Proto-Indo-European *meh₁- ▲ Proto-Indo-European *-trom Proto-Hellenic *-tron Ancient Greek -τρον (-tron) Ancient Greek μέτρον (métron)der. English -meter English spectrometer From spectro- + -meter.
- 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.