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.
- SI-derived unit
- sidero-
- siderochrome
- siderocyte
- siderophile
- siderosis
- sidesaddle
- sideshow
- sideslip
- sidespin
- sidesplitter
- sidesplitting
- sidesplittingly
- sidestep
- sidestepper
- side-straddle hop
- sidestream smoke
- sidestroke
- sidestroker
- sideswipe
- sideswiper
- sidetrack
- sidewalk
- sidewalk superintendent
- sidewall