8 letters · 14 points in Scrabble
noun a unit of power equal to one million watts
originEtymology tree Proto-Indo-European *méǵh₂s Proto-Hellenic *mégas Ancient Greek μέγᾰς (mégăs)der. English mega- English watt English megawatt From mega- + watt.
Etymology from Wiktionary, CC BY-SA 3.0