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diatropism

[dahy-a-truh-piz-uh m]
noun Botany.
  1. the tendency of some plant organs to take a transverse position to the line of action of an outside stimulus.

Origin of diatropism

dia- + tropism
Related formsdi·a·trop·ic [dahy-uh-trop-ik, -troh-pik] /ˌdaɪ əˈtrɒp ɪk, -ˈtroʊ pɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for diatropism

diatropism

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 Formsdiatropic (ˌdaɪəˈtrɒpɪk), adjective
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