/ Dictionary / Index R Radhakrishnan: Meaning and Definition of Find definitions for: Ra•dha•krish•nan Pronunciation: (rä"du-krish'nun), [key] 1888–1975, president of India 1962–67. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: radhakrishnan (Thesaurus) Radha radial Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language