orthotropic(redirected from orthotropism)
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1. Growing toward or away from a stimulus such as gravity, especially along a vertical axis. Used of a plant or plant part.
2. Of or relating to a bridge deck consisting of steel plates supported by ribs underneath.
or·thot′ro·pism (ôr-thŏt′rə-pĭz′əm) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Botany) botany relating to or showing growth that is in direct line with the stimulus
2. (General Engineering) (of a material) having different elastic properties in different planes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014