9 letters · 15 points in Scrabble
noun an instrument that uses the differential transmission and reflection of ultrasonic waves in order to provide an image of a bodily organ
originEtymology tree Proto-Indo-European *swenh₂- Proto-Indo-European *swónh₂os Latin sonus English sono- Proto-Indo-European *gerbʰ- Proto-Hellenic *grə́pʰō Ancient Greek γράφω (gráphō) Ancient Greek -γρᾰ́φος (-grắphos)der. English -graph English sonograph From sono- + -graph.
Etymology from Wiktionary, CC BY-SA 3.0