co·ro·na·graph also co·ro·no·graph 
(kə-rōnə-grăf′)
(kə-rōnə-grăf′)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.
| 单词 | coronagraph |
| 释义 | co·ro·na·graph also co·ro·no·graph (kə-rōnə-grăf′)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. |
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