/ Dictionary / Index R rutherfordium: Meaning and Definition of Find definitions for: ruth•er•for•di•um Pronunciation: (ru"ur-fôr'dē-um, -fōr'-), [key] — n. Chem. unnilquadium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rutherfordium (Thesaurus) Rutherford Rutherford scattering 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