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coronagraph
or co·ro·no·graph
[ kuh-roh-nuh-graf, -grahf ]
noun
, Astronomy.
- an instrument for observing and photographing the sun's corona, consisting of a telescope fitted with lenses, filters, and diaphragms that simulate an eclipse.
coronagraph
/ -ˌɡræf; kəˈrəʊnəˌɡrɑːf /
noun
- an optical instrument used to simulate an eclipse of the sun so that the faint solar corona can be studied
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Other Words From
- co·ro·na·graph·ic [k, uh, -roh-n, uh, -, graf, -ik], adjective
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Word History and Origins
Origin of coronagraph1
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