photokineses

photokinesis

[foh-toh-ki-nee-sis, -kahy-]
noun Physiology.
movement occurring upon exposure to light.

Origin:
1900–05; photo- + -kinesis

photokinetic [foh-toh-ki-net-ik, -kahy-] , adjective
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World English Dictionary
photokinesis (ˌfəʊtəʊkɪˈniːsɪs, -kaɪ-)
 
n
biology the movement of an organism in response to the stimulus of light
 
photokinetic
 
adj
 
photoki'netically
 
adv

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