| Answer | Crossword Clue |
|---|---|
| monosymmetries | MONOSYMMETRY, the state of being monosymmetric, having only one plane of symmetry |
| monosymmetry | the state of being monosymmetric, having only one plane of symmetry |
| monosymmetrical | having only one plane of symmetry also MONOSYMMETRIC |
| tetartohedrism | the state of being tetartohedral, having one fourth the number of planes required by complete symmetry |
| tetartohedrisms | TETARTOHEDRISM, the state of being tetartohedral, having one fourth the number of planes required by complete symmetry |
| zygomorphic | (of a flower) Having only one plane of symmetry, as in a pea or snapdragon; bilaterally symmetrical |
