/ Dictionary / Index P plastic explosive: Meaning and Definition of Find definitions for: plas'tic explo'sive Pronunciation: [key] a puttylike substance that contains an explosive charge, and is detonated by fuse or by remote control: used esp. by terrorists and in guerrilla warfare. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plastic bomb plastic flow Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language