| 单词 | hemihedrism |
| 释义 | > as lemmashemiˈhedrism hemiˈhedrism n. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > structures and forms > [noun] > hemihedrism hemihedrism1837 hemihedry1864 hemisymmetry1881 1837 J. D. Dana Syst. Mineral. ii. 19 The first species of hemihedrism gives rise to solids, whose opposite planes are not parallel. 1837 J. D. Dana Syst. Mineral. ii. 19 Examples of the first kind of hemihedrism, in which half the angles of the cube are modified. < as lemmas |
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