a gaseous layer of the sun's atmosphere extending from the photosphere to the corona and visible during a total eclipse of the sun
WordReference Random House Unabridged Dictionary of American English © 2025
chro•mo•sphere
(krō′mə sfēr′),USA pronunciation n. [Astron.]
chro•mo•spher•ic
(krō′mə sfer′ik, -sfēr′-),USA pronunciation adj.
- Astronomya scarlet, gaseous envelope surrounding the sun outside the photosphere, from which enormous quantities of hydrogen and other gases are erupted.
- Astronomya gaseous envelope surrounding a star.
- 1865–70; chromo- + -sphere
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'chromosphere' also found in these entries (note: many are not synonyms or translations):