/ Dictionary / Index A atom smasher: Meaning and Definition of Find definitions for: at'om smash"er Pronunciation: [key] — Physics. Physics. accelerator (def. 7). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. atomizer atomy Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language