eustasy

or ��·��ٲ�·��

[ yoo-stuh-see ]

Phonetic (Standard)IPA

noun

Geology.

plural eustasies.

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.

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Other Word Forms

��·��ٲ��·�� [yoo-, stat, -ik], adjective
��·��ٲ��i·��·�� adverb

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Word History and Origins

Origin of eustasy¹

1945–50; nominalization of eustatic caused by eustasy (< German eustatisch, coined by Austrian geologist Edward Suess (1831–1914); eu-, static ), with -stasy for -stasis stasis, probably on the model of ecstasy

Eustacia eustatic

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