/ Dictionary / Index D D.Eng.S.: Meaning and Definition of Find definitions for: D.Eng.S. Pronunciation: [key] Doctor of Engineering Science. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. D.Eng. dengue Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language