gigawatt

[ gig-uh-wot, jig- ]
/ ˈgɪg əˌwɒt, ˈdʒɪg- /

noun

one billion watts. Abbreviation: GW, Gw

Origin of gigawatt

First recorded in 1960–65; giga- + watt
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019