eustatic(redirected from Eustacy)
Also found in: Thesaurus, Encyclopedia.
Related to Eustacy: eustasy
n. pl. eu·sta·sies
A uniform worldwide change in sea level.
eu·stat′ic (-stăt′ĭk) adj.
(Physical Geography) denoting or relating to worldwide changes in sea level, caused by the melting of ice sheets, movements of the ocean floor, sedimentation, etc
[C20: from Greek, from eu- + static]
eustasy, eustacy n