/ Dictionary / Index L Lorentz transformation: Meaning and Definition of Find definitions for: Lo'rentz transforma"tion Pronunciation: [key] — Physics. Physics. the mathematical transformation in the special theory of relativity that describes the way in which measurements of space, time, and other physical quantities differ for two observers in uniform relative motion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lorentz force Lorenz Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language