isotypicadj.

/ʌɪsəʊˈtɪpɪk/

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1. Biology. [ < isotype n. + -ic suffix.] That is an isotype (sense 1).

2. Mineralogy. [ < German isotyp (F. Rinne 1894, in Neues Jahrb. f. Mineral., Geol. u. Palaeontol. i. 55).] Having the same or similar crystal structure (i.e. isostructural) and, with some authors, having in addition analogous chemical formulæ; exhibiting such similarity. Const. with.

ΘΚΠ

the world > the earth > minerals > mineral structure or appearance > [adjective] > crystalline > crystal structure

monostic1816

pantogenous1816

isomorphous1828

polymorphous1848

monostichous1857

isomorphic1862

untwinned1879

allotriomorphic1887

xenomorphic1888

polymorphic1891

isostructural1906

isotypic1929

1929 H. L. Bowman Miers's Mineral. (ed. 2) i. 251 Substances which thus have the same type of composition and resemble one another in their angles and structure have been described by F. Rinne as ‘isotypic’.

1942 Mineral. Abstr. VIII. 220 It [sc. berlinite] is therefore identical with artificial AlPO₄..and isomorphous with AlAsO₄.., which are isotypic with quartz.

1943 Amer. Mineralogist 28 598 Na₂BeF₄ was shown by them to be isotypic with γ-Ca₂SiO₄.

1943 Science 22 Jan. 98/2 Investigations..have revealed new isomorphic and isotypic relationships among silicates and phosphates.

1959 W. H. Dennen Princ. Mineral. iii. 104 Isotypic minerals are those with both isostructural characteristics and chemical similarity.

1959 W. H. Dennen Princ. Mineral. iii. 104 The members of an isomorphous series are isotypic, but..isotypic minerals are not necessarily isomorphous.

1959 J. Pouwelsen et al. tr. W. F. de Jong Gen. Crystallogr. 182 If the structures of two compounds are entirely or nearly equal, and if the ratios of the dimensions do not differ much, the structures are called isotypic. NaCl and PbS form isotypic structures.

1968 B. Mason & L. G. Berry Elem. Mineral. (new ed.) iii. 83 Sometimes the terms isostructural or isotypic are used instead of isomorphous.

This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).

单词	isotypic
释义	isotypicadj. /ʌɪsəʊˈtɪpɪk/ Categories » 1. Biology. [ < isotype n. + -ic suffix.] That is an isotype (sense 1). 2. Mineralogy. [ < German isotyp (F. Rinne 1894, in Neues Jahrb. f. Mineral., Geol. u. Palaeontol. i. 55).] Having the same or similar crystal structure (i.e. isostructural) and, with some authors, having in addition analogous chemical formulæ; exhibiting such similarity. Const. with. ΘΚΠ the world > the earth > minerals > mineral structure or appearance > [adjective] > crystalline > crystal structure monostic1816 pantogenous1816 isomorphous1828 polymorphous1848 monostichous1857 isomorphic1862 untwinned1879 allotriomorphic1887 xenomorphic1888 polymorphic1891 isostructural1906 isotypic1929 1929 H. L. Bowman Miers's Mineral. (ed. 2) i. 251 Substances which thus have the same type of composition and resemble one another in their angles and structure have been described by F. Rinne as ‘isotypic’. 1942 Mineral. Abstr. VIII. 220 It [sc. berlinite] is therefore identical with artificial AlPO₄..and isomorphous with AlAsO₄.., which are isotypic with quartz. 1943 Amer. Mineralogist 28 598 Na₂BeF₄ was shown by them to be isotypic with γ-Ca₂SiO₄. 1943 Science 22 Jan. 98/2 Investigations..have revealed new isomorphic and isotypic relationships among silicates and phosphates. 1959 W. H. Dennen Princ. Mineral. iii. 104 Isotypic minerals are those with both isostructural characteristics and chemical similarity. 1959 W. H. Dennen Princ. Mineral. iii. 104 The members of an isomorphous series are isotypic, but..isotypic minerals are not necessarily isomorphous. 1959 J. Pouwelsen et al. tr. W. F. de Jong Gen. Crystallogr. 182 If the structures of two compounds are entirely or nearly equal, and if the ratios of the dimensions do not differ much, the structures are called isotypic. NaCl and PbS form isotypic structures. 1968 B. Mason & L. G. Berry Elem. Mineral. (new ed.) iii. 83 Sometimes the terms isostructural or isotypic are used instead of isomorphous. This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018). < adj.1929
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