photokinesis

[foh-toh-ki-nee-sis, -kahy-]

noun Physiology.

movement occurring upon exposure to light.

Origin of photokinesis

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

Related formspho·to·ki·net·ic

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for photokinesis

photokinesis

noun

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

Derived Formsphotokinetic (ˌfəʊtəʊkɪˈnɛtɪk, -kaɪ-), adjectivephotokinetically, adverb

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