hemihedral / ˌhɛm ɪˈhi drəl /
🎓大学词汇半球体半面体半球状半球型
hemihedral 的定义
adj. 形容词 adjective- having only half the planes or faces required by the maximum symmetry of the system to which it belongs.
更多hemihedral例句
- In this species the hemihedral variety, Hemiaspis, often occurs.
- In this way a mixture of the two asparagines was obtained, which were separated by picking out the hemihedral crystals.
- All the forms are pedions, each consisting of a single plane; they are thus hemihedral with respect to crystals of the last class.
- These systems, however, only represented holohedral forms, leaving the hemihedral and tetartohedral classes to be explained.
- The occurrence of hemihedral faces was considered by Pasteur to be a sufficient criterion for an optically active substance.