corona
noun /kəˈrəʊnə/
/kəˈrəʊnə/
(plural coronae
(astronomy /kəˈrəʊniː/
/kəˈrəʊniː/
)(also informal halo)
- a ring of light seen around the sun or moon, especially during an eclipse
华；（尤指在日食或月食期间的）日冕，日华，月华 词源mid 16th cent. : from Latin, ‘wreath, crown’.