coronagraph

/kuh-roh-nuh-graf, -grahf/US // kəˈroʊ nəˌgræf, -ˌgrɑf //UK // (kəˈrəʊnəˌɡrɑːf, -ˌɡræf) //

冠状动脉,冠词,冕下,冕冠

Definitions

n.名词 noun

1
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.