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isostructural
isostructural adj. 
/ˌʌɪsə(ʊ)ˈstrʌktʃ(ə)rl̩/, /ˌaɪsoʊˈstrək(t)ʃ(ə)rəl/ Mineralogy having the same or similar crystal structure; const. with.
Brit. /ˌʌɪsə(ʊ)ˈstrʌktʃ(ə)rəl/
, /ˌʌɪsə(ʊ)ˈstrʌktʃ(ə)rəl//ˌʌɪsə(ʊ)ˈstrʌktʃ(ə)rl̩/U.S. /ˌaɪsəˈstrək(t)ʃ(ə)rəl/
, /ˌaɪsəˈstrək(t)ʃ(ə)rəl//ˌaɪsoʊˈstrək(t)ʃ(ə)rəl/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
1906 Jrnl. Chem. Soc. 89 ii. 1129 It is conceivable that in the case of two ‘isostructural’ substances the actual size of the structural unit may be of the greatest importance.
1965 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. I. xvi. 576 Tellurium is only known in one form, isostructural with grey Se.
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