/ Dictionary / Index O oscillometer: Meaning and Definition of Find definitions for: os•cil•lom•e•ter Pronunciation: (os"u-lom'i-tur), [key] — n. Med. an instrument for measuring oscillations, esp. those of the arterial pulse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oscillograph oscilloscope 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