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2017 Word of the Year

rheotropism

[ree-o-truh-piz-uh m] /riˈɒ trəˌpɪz əm/
noun
1.
the effect of a current of water upon the direction of plant growth.
Origin of rheotropism
1885-1890
First recorded in 1885-90; rheo- + -tropism
Related forms
rheotropic
[ree-uh-trop-ik, -troh-pik] /ˌri əˈtrɒp ɪk, -ˈtroʊ pɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for rheotropism

rheotropism

/rɪˈɒtrəˌpɪzəm/
noun
1.
growth of a plant or sessile animal in the direction of a current of water
Derived Forms
rheotropic (ˌriːəˈtrɒpɪk) 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
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rheotropism in Medicine

rheotropism rhe·ot·ro·pism (rē-ŏt'rə-pĭz'əm)
n.
Growth or movement of a part of an organism in response to the motion of a current.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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