Airy isostasy

Airy isostasy

[¦er·ē i′säs·tə·sē]
(geophysics)
A theory of hydrostatic equilibrium of the earth's surface which contends that mountains are floating on a fluid lava of higher density, and that higher mountains have a greater mass and deeper roots.
References in periodicals archive ?
With Pratt isostasy disproven, Sori considered Airy isostasy, which has been used to make estimates of Mercury's crustal thickness.