eustasy definition by Webster's New World
- eustatic adjective
eustasy definition by American Heritage Dictionary
noun pl. eu·sta·sies
Origin: From eustatic, of eustasy, from German eustatisch : eu- + stat(o)- + -isch, adj. suff.
- eu·statˈic adjective
eustasy - Science Definition
- eustatic eustatic
The medium gray shading shows the modern-day coastlines of eastern North America and the Gulf of Mexico. The dark gray shading shows the same coastlines as they may have appeared during the warm climate interval of the Pliocene Epoch. The light gray shading shows the same coastlines as they may have appeared during the most recent ice age when much of the world's ocean water was locked up in continental ice sheets.