eustacy

eustasy

[yoo-stuh-see]
noun, plural eustasies. Geology.
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.
Also, eustacy.


Origin:
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

eustatic [yoo-stat-ik] , adjective
eustatically, adverb
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eustasy   (y'stə-sē)  Pronunciation Key 


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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.

eustatic (y-stāt'ĭk)
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