| 单词 | hemimorphism |
| 释义 | > as lemmashemiˈmorphism hemiˈmorphism n. the property of being hemimorphic. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > structures and forms > [noun] > hemimorphism hemimorphism1879 hemimorphy1886 1879 F. Rutley Study of Rocks x. 138 The crystals when heated and freely suspended, exhibit polar electricity, a phenomenon which usually accompanies hemimorphism. 1895 N. Story-Maskelyne Crystallogr. §140 Hemimorphism is the term for a particular case of haplohedral mero-symmetry. One-half or, it may be, one-fourth of the faces of the original form are present in the hemimorphic form: but these all lie on one side of a systematic plane, the symmetral character of which is in abeyance. < as lemmas |
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