/ Dictionary / Index G Gedanken experiment: Meaning and Definition of Find definitions for: Ge•dank'en exper"iment Pronunciation: (gu-däng'kun), [key] — Physics. Physics. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gedaliah Geddes Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language