Share this entry

Share this page

coronagraph

Line breaks: cor¦ona|graph
Pronunciation: /kəˈrəʊnəɡrɑːf
 
/

Definition of coronagraph in English:

noun

An instrument that blocks out light emitted by the sun’s actual surface so that the corona can be observed.
Example sentences
  • In other words, a coronagraph produces an artificial solar eclipse.
  • Their coronagraph - which created a false eclipse by blocking the visible disk of the Sun from the field of view - allowed them to spy on the solar atmosphere.
  • In addition to its suite of cameras, Skylab was stocked with tons of scientific equipment, including coronagraphs, spectrometers, and ultraviolet and X-ray telescopes.

Definition of coronagraph in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day boscage
Pronunciation: ˈbɒskɪdʒ
noun
a mass of trees or shrubs