/ Dictionary / Index L low explosive: Meaning and Definition of Find definitions for: low' explo'sive Pronunciation: [key] a relatively slow-burning explosive, usually set off by heat or friction, used for propelling charges in guns or for ordinary blasting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lowestoft low frequency Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language