WordReference Random House Unabridged Dictionary of American English © 2017
  • PhysicsEuropean Laboratory for Particle Physics;
    formerly called European Organization for Nuclear Research: an international research organization based in Geneva, Switzerland.
    • French, for C(onseil) e(uropéen pour la) r(echerche) n(ucléaire)

    WordReference Random House Learner's Dictionary of American English © 2017
    -cern-, root. 
    1. -cern- comes from Latin, where it has the meanings "separate;
      decide.'' These meanings are found in such words as: concern, discern.

    Collins Concise English Dictionary © HarperCollins Publishers::

    CERN /sɜːn/ n acronym for
    1. Conseil Européen pour la Recherche Nucléaire; an organization of European states with a centre in Geneva for research in high-energy particle physics, now called the European Laboratory for Particle Physics


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