relating to or showing growth that is in direct line with the stimulus
2.
(of a material) having different elastic properties in different planes
Derived forms
orthotropism (ɔːˈθɒtrəˌpɪzəm)
noun
orthotropic in American English
(ˌɔrθoʊˈtrɑpɪk)
adjective
1.
designating or of a design for bridges in which the structural supporting units also form the deck, or road surface, thus reducing weight and cost of construction
2. Botany
designating, of, or showing vertical growth, as most main stems and roots