biaxial

形容词adjective

1. 1Having two axes.
2. 2(mathematics, astronomy) Having two axes of rotation and two planes of symmetry (e.g. having the shape of a spheroid)
3. 3Along two axes; e.g. in engineering, a shear or compression text of a material along two axes
4. 4Having a value in two perpendicular directions. (In solid mechanics, it generally means that normal stresses exist in two of the possible three directions, though not necessarily equal in sign or magnitude.)