- oriented growth of an organism in response to mechanical contact, as a plant tendril coiling around a string support.
Origin of thigmotropism
1895–1900; < Greek thígm(a) touch + -o- + -tropism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the directional growth of a plant, in response to the stimulus of direct contactAlso called: haptotropism, stereotropism
C19: from Greek thigma touch + -tropism
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
Word Origin and History for thigmotropism
1900, from thigmo-, comb. form meaning "touch," from Greek thigma "touch" + tropism.
Online Etymology Dictionary, © 2010 Douglas Harper
- The turning or bending response of an organism or part of an organism upon direct contact with a solid surface or object.stereotropism
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.