Orthotropicadjective
(botany) Growing vertically, either upwards or downwards.
Orthotropicadjective
(engineering) Having material properties that differ along three mutually orthogonal twofold axes of rotational symmetry.
Orthotropicadjective
Having the longer axis vertical; - said of erect stems.
Anisotropicadjective
Having properties that differ according to the direction of measurement; exhibiting anisotropy.
Anisotropicadjective
not invariant with respect to direction;