photokinesis

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

noun Physiology.

movement occurring upon exposure to light.

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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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-), adjectivephotokinetically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012