/ Dictionary / Index R roentgenometer: Meaning and Definition of Find definitions for: roent•gen•om•e•ter Pronunciation: (rent"gu-nom'i-tur, -ju-, runt"-), [key] — n. an instrument for measuring the intensity of x-rays. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. roentgenology roentgenopaque 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