isosterismn.
/ʌɪsəʊˈstɪərɪz(ə)m/ Chemistry.
The condition of being isosteric (sense 4).
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isosterism1865
1865–72 H. Watts Dict. Chem. III. 433 With regard to the elements, Schröder finds that isosterism is accompanied quite as frequently..by heteromorphism as by isomorphism.
1919 I. Langmuir in Jrnl. Amer. Chem. Soc. 41 1545 The isosterism of the cyanate and trinitride ions applies of course also to compounds derived from them.
1935 J. N. Friend Text-bk. Physical Chem. II. ix. 384 (caption) Isosterism of CO2 and N2O.
1963 Pharmaceutica Acta Helv. XXXVIII. 706 The two most important postulates for isosterism were there: similarity in shape and polarity.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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