/ Dictionary / Index L lyddite: Meaning and Definition of Find definitions for: lydd•ite Pronunciation: (lid'īt), [key] — n. Chem. a high explosive consisting chiefly of picric acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lycurgus Lydgate Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language