/ Dictionary / Index C CERN: Meaning and Definition of Find definitions for: CERN Pronunciation: [key] European Laboratory for Particle Physics; formerly called European Organization for Nuclear Research: an international research organization based in Geneva, Switzerland. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cermet Cernan Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language