/ Dictionary / Index D diethyltryptamine: Meaning and Definition of Find definitions for: di•eth•yl•tryp•ta•mine Pronunciation: (dī-eth"ul-trip'tu-mēn", -min), [key] — n. Pharm. a synthetic derivative of tryptamine with hallucinogenic and psychotogenic effects. Abbr.: DET Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diethyltoluamide dietitian Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language