/ Dictionary / Index R Radin: Meaning and Definition of Find definitions for: Ra•din Pronunciation: (r?d'n), [key] 1883?1959, U.S. anthropologist, born in Poland. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. radii radio Related Content Daily Word Quiz: abscond Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language