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coronograph

From Wiktionary, the free dictionary

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English

Etymology

From corona +‎ -o- +‎ -graph.

Noun

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coronograph (plural coronographs)

  1. (astronomy) A telescope, fitted with an attachment that blocks out direct rays from the sun, used to study and photograph the corona of the sun.
  2. (astronomy) The attachment used in such a telescope.

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