chromosphere
/ˈkrəʊməsfɪə(r)/noun
- Astronomy a reddish gaseous layer immediately above the photosphere of the sun or another star which, together with the corona, constitutes its outer atmosphere【天文】（太阳的）色球（层）; 色圈。
派生词
chromospheric
adjective词源
mid 19th cent.: from CHROMO-2 'colour' + SPHERE.