n. Botany
The tendency of growing parts, such as roots, to become oriented at right angles to the direction of gravitational force.
diageotropic di'a·ge'o·trop'ic (-ə-trŏp'ĭk, -trō'pĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
