/ Dictionary / Index S spectrograph: Meaning and Definition of Find definitions for: spec•tro•graph Pronunciation: (spek'tru-graf", -gräf"), [key] — n. a spectroscope for photographing or producing a representation of a spectrum. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spectrograph (Thesaurus) spectrogram spectroheliogram Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language