/ Dictionary / Index O oscillograph: Meaning and Definition of Find definitions for: os•cil•lo•graph Pronunciation: (u-sil'u-graf", -gräf"), [key] — n. Elect. a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oscillograph (Thesaurus) oscillogram oscillometer Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language