14 letters · 19 points in Scrabble
noun any measuring instrument that uses interference patterns to make accurate measurements of waves
originEtymology tree English interfer(e) Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- Proto-Indo-European *meh₁- Proto-Indo-European *-tḗr Proto-Indo-European *-trom Proto-Hellenic *-tron Ancient Greek -τρον (-tron) Ancient Greek μέτρον (métron)der. English -meter English interferometer From interfer(e) + -o- + -meter.
Etymology from Wiktionary, CC BY-SA 3.0