/ Dictionary / Index L laser chemistry: Meaning and Definition of Find definitions for: la'ser chem"istry Pronunciation: [key] the use of a laser to initiate and control chemical reactions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. laser beam laser disk Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language