13 letters · 18 points in Scrabble
noun a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet
originEtymology tree French électro-bor. Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Latin electro-bor. English electro- Old French magnetebor. Pre-Greekbor.? Ancient Greek Μάγνης (Mágnēs) Ancient Greek μᾰ́γνης (mắgnēs)bor. Latin magnēsbor. Middle English magnete English magnet English electromagnet From electro- + magnet.
Etymology from Wiktionary, CC BY-SA 3.0