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photokinesis

[foh-toh-ki-nee-sis, -kahy-] /ˌfoʊ toʊ kɪˈni sɪs, -kaɪ-/
noun, Physiology
1.
movement occurring upon exposure to light.
Origin
1900-1905
1900-05; photo- + -kinesis
Related forms
photokinetic
[foh-toh-ki-net-ik, -kahy-] /ˌfoʊ toʊ kɪˈnɛt ɪk, -kaɪ-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for photokinetic

photokinesis

/ˌfəʊtəʊkɪˈniːsɪs; -kaɪ-/
noun
1.
(biology) the movement of an organism in response to the stimulus of light
Derived Forms
photokinetic (ˌfəʊtəʊkɪˈnɛtɪk; -kaɪ-) adjective
photokinetically, 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
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