Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

coronagraph

noun co·ro·na·graph \kə-ˈrō-nə-ˌgraf\

Definition of coronagraph

  1. :  a telescope for observation of the sun's corona



1885

First Known Use of coronagraph

1885

Variants of coronagraph

also coronograph play \kə-ˈrō-nə-ˌgraf\

Learn More about coronagraph


Seen and Heard

What made you want to look up coronagraph? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to eat gluttonously or ravenously

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

prompt maudlin oily angry
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ