coronograph

coronograph

[kuh-roh-nuh-graf, -grahf]
noun Astronomy.

Origin:
1880–85

coronographic [kuh-roh-nuh-graf-ik] , adjective
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World English Dictionary
coronagraph or coronograph (kəˈrəʊnəˌɡrɑːf, -ˌɡræf, kəˈrəʊnəˌɡrɑːf, -ˌɡræf)
 
n
an optical instrument used to simulate an eclipse of the sun so that the faint solar corona can be studied
 
coronograph or coronograph
 
n

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