/ Dictionary / Index R roentgenology: Meaning and Definition of Find definitions for: roent•gen•ol•o•gy Pronunciation: (rent"gu-nol'u-jē, -ju-, runt"-), [key] — n. the branch of medicine dealing with diagnosis and therapy through x-rays. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. roentgenograph roentgenometer Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language