photokinesis

[ foh-toh-ki-nee-sis, -kahy- ]
/ ˌfoʊ toʊ kɪˈni sɪs, -kaɪ- /

noun Physiology.

movement occurring upon exposure to light.

Origin of photokinesis

First recorded in 1900–05; photo- + -kinesis

OTHER WORDS FROM photokinesis

pho·to·ki·net·ic [foh-toh-ki-net-ik, -kahy-] /ˌfoʊ toʊ kɪˈnɛt ɪk, -kaɪ-/, adjective

British Dictionary definitions for photokinesis

photokinesis
/ (ˌfəʊtəʊkɪˈniːsɪs, -kaɪ-) /

noun

biology the movement of an organism in response to the stimulus of light

Derived forms of photokinesis

photokinetic (ˌfəʊtəʊkɪˈnɛtɪk, -kaɪ-), adjective photokinetically, adverb