- Botany. noting, pertaining to, or exhibiting a mode of vertical growth.
Origin of orthotropic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- botany relating to or showing growth that is in direct line with the stimulus
- (of a material) having different elastic properties in different planes
- Tending to grow or form along a vertical axis.