pho·to·sphere 
(fōtə-sfîr′)
(fōtə-sfîr′)n.
The directly visible outer layer or atmosphere of a star, especially of the sun.
pho′to·spheric (-sfîrĭk, -sfĕrĭk) adj.
- interjectory
- interlace
- interlacement
- Interlaken
- interlaminate
- interlamination
- interlanguage
- interlard
- interleaf
- interleague
- interleave
- interleukin
- interleukin-1
- interleukin-2
- interleukin-3
- interlibrary
- interline
- interline
- interlinear
- interlineation
- Interlingua
- interlingual
- interlingually
- interlining
- interlink