/ Dictionary / Index R radial triangulation: Meaning and Definition of Find definitions for: ra'dial triangula'tion Pronunciation: [key] — Photogrammetry. Photogrammetry. triangulation based upon lines radiating from the center of each of two overlapping photographs to certain objects appearing on each photograph. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. radial tire radian Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language