eustatic
(juːˈstætɪk) 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
euˈstatically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014