/ Dictionary / Index L lead azide: Meaning and Definition of Find definitions for: lead' az'ide Pronunciation: (led), [key] — Chem. Chem. a highly toxic, colorless crystalline compound, Pb(N), that detonates at 660°F (350°C) and is used as a detonator for explosives. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lead arsenate Leadbelly 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