Breadcrumb Home > Dictionary > Index R radix: Meaning and Definition of Find definitions for: ra•dix Pronunciation: (rā'diks), [key] — pl. rad•i•ces ra•dix•es. a number taken as the base of a system of numbers, logarithms, or the like. a root; radicle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: radix (Thesaurus) radius vector rad-lib TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: polymath Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language