11 letters · 24 points in Scrabble
noun a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)
originEtymology tree English shadow Proto-Indo-European *gerbʰ- Proto-Hellenic *grə́pʰō Ancient Greek γράφω (gráphō) Ancient Greek -γρᾰ́φος (-grắphos)der. English -graph English shadowgraph From shadow + -graph.
Etymology from Wiktionary, CC BY-SA 3.0