/ Dictionary / Index S spectroheliogram: Meaning and Definition of Find definitions for: spec•tro•he•li•o•gram Pronunciation: (spek"trō-hē'lē-u-gram"), [key] — n. a photograph of the sun made with a spectroheliograph. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spectrograph spectroheliograph 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