/ Dictionary / Index L light-emitting diode: Meaning and Definition of Find definitions for: light'-e•mit•ting di'ode Pronunciation: (līt'i-mit"ing). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. light-duty lighten 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