/ Dictionary / Index C coronograph: Meaning and Definition of Find definitions for: co•ro•no•graph Pronunciation: (ku-rō'nu-graf", -gräf"), [key] — n. Astron. coronagraph. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coronium Corot Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language