/ Dictionary / Index S sound spectrograph: Meaning and Definition of Find definitions for: sound' spec"trograph Pronunciation: [key] an electronic device for recording a sound spectogram. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sound spectrogram sound stage Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language