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photokinesis

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

noun Physiology.

movement occurring upon exposure to light.

Origin:
1900–05; photo- + -kinesis

Related forms

pho·to·ki·net·ic

[foh-toh-ki-net-ik, -kahy-] , adjective

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To photokinesis

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Photokinesis is always a great word to know.

So is consensual. Does it mean:

involuntarily correlative with a voluntary action, as the contraction of the iris when the eye is opened

a muscle that acts in opposition to another

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Collins

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*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Related Words

-kinesis

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photokinesis

pho·to·ki·ne·sis