hemimorphicadj.
/hɛmɪˈmɔːfɪk/ Crystallography.
Of a crystal: Having unlike planes or modifications at the ends of the same axis.
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hemimorphic1864
hemimorphous1878
1864 Webster's Amer. Dict. Eng. Lang. Hemimorphic.
1868 J. D. Dana Syst. Mineral. (ed. 5) 407 Calamine..Orthorhombic; hemimorphic-hemihedral.
Derivatives
hemiˈmorph n. [-morph comb. form] a hemimorphic crystal.
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1895 N. Story-Maskelyne Crystallogr. §272 Hemimorphous forms are not rare in the Hexagonal system, but they occur most often as hemimorphs of hemisymmetrical types of crystal.
hemiˈmorphism n. the property of being hemimorphic.
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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.
hemiˈmorphous adj. = hemimorphic adj.
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the world > matter > chemistry > crystallography (general) > crystal (general) > structures and forms > [adjective] > hemiphoric
hemimorphic1864
hemimorphous1878
1878 P. H. Lawrence tr. B. von Cotta Rocks Classified (new ed.) 32 Tourmaline is Rhombohedral, eminently hemi-morphous.
ˈhemimorphy n. = hemimorphism n.
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the world > matter > chemistry > crystallography (general) > crystal (general) > structures and forms > [noun] > hemimorphism
hemimorphism1879
hemimorphy1886
1886 New Sydenham Soc. Lexicon Hemimorphy.
This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2022).
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adj.1864