/ Dictionary / Index L Lorentz force: Meaning and Definition of Find definitions for: Lo'rentz force" Pronunciation: [key] — Elect. Elect. the force on a charged particle moving through a region containing both electric and magnetic fields. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lorentz-FitzGerald contraction Lorentz transformation 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