isostaticadj.
/ʌɪsəʊˈstatɪk/ 1. Pertaining to, produced by, or characterized by isostasy.
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1889 C. E. Dutton in Bull. Philos. Soc. Washington XI. 53 For this condition of equilibrium of figure, to which gravitation tends to reduce a planetary body, irrespective of whether it is homogeneous or not, I propose the name isostasy... We may also use the corresponding adjective isostatic.
1890 in Cent. Dict.
1893 13th Ann. Rep. U.S. Geol. Surey ii. 280 During the period of sedimentation, which ultimately set up isostatic adjustment, there had been continuous shrinkage of a nucleus cooling beneath the accumulating strata.
1924 J. G. A. Skerl tr. A. Wegener Orig. Continents & Oceans 23 All such isostatic movements of compensation must lag greatly.
1927 H. Peake & H. J. Fleure Apes & Men v. 80 There may have been a slight compensating, or as it is called isostatic, uprise in Denmark and other regions around the margin of the ice sheet.
1937 Proc. Prehistoric Soc. 3 181 The isostatic emergence of the land from the sea since the last glacial maximum.
1944 A. Holmes Princ. Physical Geol. xi. 189 While the crust was being thus unloaded by denudation, slow isostatic uplift must have been continuously in progress.
1955 Antiquity 29 181 The complex eustatic and isostatic movements which determine the part played by land movements on one hand and changes of sea-level on the other.
1960 B. W. Sparks Geomorphol. xiv. 311 Large ice sheets caused an isostatic depression of the areas they occupied and a subsequent rise as the ice melted away.
1960 New Scientist 19 May 1278/3 Considerable local departures from isostatic equilibrium are known, but an area forming a considerable fraction of a continent is in general found to be isostatically compensated.
2. Performed under or involving conditions in which equal pressure is applied from all directions.
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the world > matter > physics > mechanics > force > [adjective] > of or relating to pressure > with equal pressure
isostatic1957
1957 Ceramic News Apr. 20 (heading) Unique ‘isostatic process’ marks manufacture of Coors famous high density grinding media.
1965 J. E. Hove & W. C. Riley Ceramics for Adv. Technologies iii. 79 In isostatic pressing, the powder material is compacted under uniform pressure.
1967 M. Chandler Ceramics in Mod. World vi. 163 (caption) New ceramic materials demand new forming techniques, such as this isostatic press for making ceramic spark plug insulators.
This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2018).
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adj.1889