photokinesis

noun

pho·​to·​ki·​ne·​sis ˌfō-tō-kə-ˈnē-səs 

-kī-

: motion or activity induced by light

photokinetic

ˌfō-tō-kə-ˈne-tik 

-kī-

adjective

Word History

Etymology

New Latin

First Known Use

1905, in the meaning defined above

Medical Definition

photokinesis

noun

pho·​to·​ki·​ne·​sis -kə-ˈnē-səs, -kī- 

plural photokineses -ˈnē-ˌsēz 

: motion or activity induced by light

photokinetic

-ˈnet-ik 

adjective