— chromospheric /kroh'meuh sfer"ik, -sfear"-/ , adj.
/kroh"meuh sfear'/ , n. Astron.
1. a scarlet, gaseous envelope surrounding the sun outside the photosphere, from which enormous quantities of hydrogen and other gases are erupted.
2. a gaseous envelope surrounding a star.
[ 1865-70; CHROMO- + -SPHERE ]