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.
- intersessional
- intersex
- intersexual
- intersexuality
- intersexually
- interspace
- interspatial
- interspecies
- interspecific
- intersperse
- interspersedly
- interspersion
- interstate
- interstellar
- interstellar medium
- interstice
- interstitial
- interstitially
- intertestamental
- intertextual
- intertextuality
- intertextually
- intertexture
- intertidal
- intertidally