particle accelerator [particle accelerators] (a device that accelerates electrically charged particles to extremely high speeds) noun [UK: ˈpɑː.tɪk.l̩ ək.ˈse.lə.reɪ.tə(r)] [US: ˈpɑːr.tək.l̩ æk.ˈse.lə.ˌre.tər] | (Bokmål) partikkelakseleratornoun {m} (Nynorsk) partikkelakseleratornoun {m} |