/ Dictionary / Index L LNG: Meaning and Definition of Find definitions for: LNG Pronunciation: [key] liquefied natural gas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lndry rm lo Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language