As·to·lat 
(ăstə-lŏt′, -lăt′)
(ăstə-lŏt′, -lăt′)n.
In Arthurian legend, an English town, possibly located in present-day Surrey.
- photospheric
- photostat
- photosynthate
- photosynthesis
- photosynthesize
- photosynthetic
- photosynthetically
- phototactic
- phototactically
- phototaxis
- phototherapeutic
- phototherapy
- phototonic
- phototonus
- phototoxic
- phototoxicity
- phototransistor
- phototroph
- phototrophic
- phototrophically
- phototropic
- phototropism
- phototube
- phototypesetter
- phototypesetting