synchrocyclotron
noun
syn·chro·cy·clo·tron ˌsiŋ-(ˌ)krō-ˈsī-klə-ˌträn 
ˌsin-
: a modified cyclotron that achieves greater energies for the charged particles by compensating for the variation in mass that the particles experience with increasing velocity
Example Sentences
Recent Examples on the Web The synchrocyclotron looked like the figment of someone’s fevered imagination: a Rube Goldberg device bathed in the fluorescent lights of a European dance club. 
Peter Kujawinski, New York Times, 28 May 2018 Later, our group visited the building containing CERN’s original particle accelerator, the synchrocyclotron, built in 1957 as a way to help European science regain its feet after the destruction of World War II. Peter Kujawinski, New York Times, 28 May 2018
Peter Kujawinski, New York Times, 28 May 2018 Later, our group visited the building containing CERN’s original particle accelerator, the synchrocyclotron, built in 1957 as a way to help European science regain its feet after the destruction of World War II. Peter Kujawinski, New York Times, 28 May 2018 Word History
First Known Use
1947, in the meaning defined above