Definition of photokinesis in English:

photokinesis

noun

Biology
  • Change in the degree of activity of an organism in response to light; a light-induced kinesis.

Origin

Early 20th century; earliest use found in Journal of Comparative Neurology. From photo- + kinesis, after German Photokinese.

Pronunciation

photokinesis

/ˌfəʊtəʊkɪˈniːsɪs//ˌfəʊtəʊkʌɪˈniːsɪs/