pho·to·ki·ne·sis 
(fō′tō-kə-nēsĭs, -kī-)
(fō′tō-kə-nēsĭs, -kī-)n.
Movement as a response to light.
pho′to·ki·netic (-nĕtĭk) adj.
- standardization
- standardize
- standardly
- standard model
- standard of living
- standard operating procedure
- standard pressure
- standard schnauzer
- standard temperature
- standard time
- stand by
- standby
- stand down
- stand-down
- standdown
- standee
- stander
- stand for
- stand ground
- stand guard
- stand in
- stand-in
- standing
- standing army
- standing crop