from The Century Dictionary and Cyclopedia
- Symmetrical with regard to one axis only, as the parabola in contradistinction to the ellipse and hyperbola.
- Pertaining to or exhibiting hemisymmetry. See hemisymmetry, 2.
- In crystallography, hemihedral; characterized by hemisymmetry, that is, by a grade of symmetry which requires only half the faces that belong to the corresponding form of the holosymmetric (holohedral) type. See symmetry.
Sorry, no etymologies found.