/ Dictionary / Index I industrial espionage: Meaning and Definition of Find definitions for: indus'trial es'pionage Pronunciation: [key] the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing company. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. industrial engineering industrial estate Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language