/ Dictionary / Index R radiosymmetrical: Meaning and Definition of Find definitions for: ra•di•o•sym•met•ri•cal Pronunciation: (rā"dē-ō-si-me'tri-kul), [key] — adj. radially symmetrical. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. radiostrontium radio taxi Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language