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diatropism

[dahy-a-truh-piz-uh m] /daɪˈæ trəˌpɪz əm/
noun, Botany
1.
the tendency of some plant organs to take a transverse position to the line of action of an outside stimulus.
Origin
Related forms
diatropic
[dahy-uh-trop-ik, -troh-pik] /ˌdaɪ əˈtrɒp ɪk, -ˈtroʊ pɪk/ (Show IPA),
adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for diatropism

diatropism

/daɪˈætrəˌpɪzəm/
noun
1.
a response of plants or parts of plants to an external stimulus by growing at right angles to the direction of the stimulus
Derived Forms
diatropic (ˌdaɪəˈtrɒpɪk) adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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