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cosmotron

[kos-muh-tron]
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noun Physics.
  1. a proton accelerator.
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Origin of cosmotron

First recorded in 1945–50; cosmo- + -tron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for cosmotron

Cosmotron

noun
  1. a large synchrotron which was used for accelerating protons to high energies (of the order of 1 GeV)
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Word Origin

C20: from cosm (ic ray) + -tron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012