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[ahy-suh-stat-ik] /ˌaɪ səˈstæt ɪk/
of, relating to, or characterized by isostasy.
Origin of isostatic
1885-90; iso- + static
Related forms
isostatically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for isostatic
  • After the eruption, the collapsed caldera continues to subside as the isostatic equilibrium is reached.
  • The combination of eustatic and isostatic effects at a particular location is known as relative sea level rise.
  • Summary maps of geology, isostatic gravity, aeromagnetic and ground magnetic data.
  • The residual signal in the oceans can be explained by isostatic compensation by a cooling lithosphere.
isostatic in Science
Equilibrium in the Earth's crust, in which an elevated part in one area is counterbalanced by a depressed part in another. Isostasy exists because the Earth's crust is relatively light compared to the denser mantle over which it lies, and therefore behaves as if it is floating. Areas of the Earth's crust rise or subside to accommodate added load (as from a glacier) or diminished load (as from erosion), so that the forces that elevate landmasses balance the forces that depress them.

isostatic adjective (ī'sō-stāt'ĭk)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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