WordReference Random House Unabridged Dictionary of American English © 2026
co•ro•no•graph
(kə rō′nə graf′, -gräf′),USA pronunciation n. [Astron.]
co•ro•no•graph•ic
(kə rō′nə graf′ik),USA pronunciation adj.
- Astronomycoronagraph.
- 1880–85
'coronograph' also found in these entries (note: many are not synonyms or translations):