the pinkish, glowing region around a star, esp. the sun, between the hot, dense photosphere and the much hotter, tenuous corona
Origin of chromospherechromo- + -sphere
- An incandescent, transparent layer of gas, primarily hydrogen, several thousand miles in depth, lying above and surrounding the photosphere of a star, such as the sun, but distinctly separate from the corona.
- A gaseous layer similar to a chromosphere around a star.
chromo- + -sphere