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gigaelectron volt

American  
[gig-uh-i-lek-tron, jig-uh-] / ˈgɪg ə ɪˈlɛk trɒn, ˈdʒɪg ə- /

noun

  1. one billion electron volts. GeV, Gev


Etymology

Origin of gigaelectron volt

First recorded in 1960–65; giga- + electron volt