Dictionary.com
Thesaurus.com

rheotropism

American  
[ree-o-truh-piz-uhm] / riˈɒ trəˌpɪz əm /

noun

  1. the effect of a current of water upon the direction of plant growth.

rheotropism British  
/ rɪˈɒtrəˌpɪzəm, ˌriːəˈtrɒpɪk /

noun

  1. growth of a plant or sessile animal in the direction of a current of water

"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

Other Word Forms

  • rheotropic adjective

Etymology

Origin of rheotropism

First recorded in 1885–90; rheo- + -tropism

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.