/ Dictionary / Index R radiolocation: Meaning and Definition of Find definitions for: ra•di•o•lo•ca•tion Pronunciation: (rā"dē-ō-lō-kā'shun), [key] — n. the method or process of determining the position and velocity of an object by radar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: radiolocation (Thesaurus) radiolarian radiolocator Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language