Meaning

noun spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer

originEtymology 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…

Etymology from Wiktionary, CC BY-SA 3.0