Word of the Day: Eustasy

Wednesday, June 26, 2024

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noun

1. A change of sea level throughout the world, caused typically by movements of parts of the Earth's crust or melting of glaciers.

"As the climate continues to change, scientists have observed ongoing eustasy."

"Some oceanographers make eustasy the primary field of research in their careers."

"The geologist and marine biologist stayed after the seminar to debate over the causes of eustasy."

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Greek, 1940s

"Eustasy" is a relatively recent term, coming to English from German as a back-formation of "eustatic," which means "relating to or denoting changes in sea level throughout the world." Although "eustasy" is the standard spelling in scientific circles (and in the Oxford dictionary), "eustacy" is the only spelling of this word in other dictionaries. The "-cy" suffix evolved from the Latin "-atia" suffix. ...