eustasy

eustasy or eu·sta·cy [yoo-stuh-see] Word Origin noun, plural eu·sta·sies. Geology.

1. any uniformly global change of sea level that may reflect a change in the quantity of water in the ocean, or a change in the shape and capacity of the ocean basins.

Origin of eustasy 1945–50; nominalization of eustatic caused by eustasy (German eustatisch, coined by Austrian geologist Edward Suess (1831–1914); see eu-, static), with -stasy for -stasis stasis, probably on the model of ecstasy Related formseu·stat·ic [yoo-stat-ik] /yuˈstæt ɪk/, adjectiveeu·stat·i·cal·ly, adverb eustacy in Science eustasy [yōō′stə-sē]

1. A uniform worldwide change in sea level caused especially by fluctuations in the amount of water taken up by continental and polar icecaps, or by a change in the capacity of ocean basins.

Related formseustatic (yōō-stăt′ĭk)