/ Dictionary / Index D diethyltoluamide: Meaning and Definition of Find definitions for: di•eth•yl•tol•u•a•mide Pronunciation: (dī-eth"ul-tol'y-u-mīd", -mid), [key] — n. Chem. a liquid, CHNO, used as an insect repellent and resin solvent. Cf. Deet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diethylstilbestrol diethyltryptamine Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language