Dictionary.com
Thesaurus.com

megaelectron volt

American  
[meg-uh-i-lek-tron] / ˌmɛg ə ɪˈlɛk trɒn /

noun

Physics.
  1. million electron volts.


Etymology

Origin of megaelectron volt

First recorded in 1965–70; mega- + electron volt ( def. )