Coronagraph

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. A telescope or an attachment for a telescope equipped with a disk that blacks out most of the sun, used to photograph the sun's corona.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. A telescope that has an attachment which blocks out the direct light from the sun or other star, allowing examination of the corona and the detection of exoplanets
    • Word Usage
    "Researchers observed the corona with a device called a coronagraph, an instrument that blacks out the disk."
    Form
    coronagraphic   
     
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